Algebra II : Basic Single-Variable Algebra

Study concepts, example questions & explanations for Algebra II

varsity tutors app store varsity tutors android store

Example Questions

Example Question #131 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle x+241.7=903.6\)

Possible Answers:

\(\displaystyle 661.9\)

\(\displaystyle 961.2\)

\(\displaystyle 725.2\)

\(\displaystyle 681.4\)

\(\displaystyle 841.6\)

Correct answer:

\(\displaystyle 661.9\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x+241.7=903.6\) 

Subtract \(\displaystyle 241.7\) on both sides.

\(\displaystyle x=661.9\)

Example Question #132 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle x+982.1=267.8\)

Possible Answers:

\(\displaystyle -714.3\)

\(\displaystyle 845.3\)

\(\displaystyle -694.2\)

\(\displaystyle 1026.6\)

\(\displaystyle 1249.9\)

Correct answer:

\(\displaystyle -714.3\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x+982.1=267.8\) 

Subtract \(\displaystyle 982.1\) on both sides.

\(\displaystyle x=-714.3\)

Example Question #613 : Basic Single Variable Algebra

Solve for \(\displaystyle x\).

\(\displaystyle x+457.9=-235.6\)

Possible Answers:

\(\displaystyle -745.6\)

\(\displaystyle -693.5\)

\(\displaystyle 432.1\)

\(\displaystyle 222.3\)

\(\displaystyle 338.4\)

Correct answer:

\(\displaystyle -693.5\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x+457.9=-235.6\) 

Subtract \(\displaystyle 457.9\) on both sides.

\(\displaystyle x=-693.5\)

Example Question #614 : Basic Single Variable Algebra

Solve for \(\displaystyle x\).

\(\displaystyle x-845=1023\)

Possible Answers:

\(\displaystyle 958\)

\(\displaystyle 1868\)

\(\displaystyle 463\)

\(\displaystyle 784\)

\(\displaystyle 178\)

Correct answer:

\(\displaystyle 1868\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x-845=1023\) 

Add \(\displaystyle 845\) on both sides.

\(\displaystyle x=1868\)

Example Question #135 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle x-245.6=-1023.5\)

Possible Answers:

\(\displaystyle 386.7\)

\(\displaystyle -777.9\)

\(\displaystyle 423.9\)

\(\displaystyle -823.1\)

\(\displaystyle 568.2\)

Correct answer:

\(\displaystyle -777.9\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x-245.6=-1023.5\) 

Add \(\displaystyle 245.6\) on both sides.

\(\displaystyle x=-777.9\)

Example Question #133 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle x-467.8=-396.7\)

Possible Answers:

\(\displaystyle 82.3\)

\(\displaystyle 71.1\)

\(\displaystyle 68.1\)

\(\displaystyle -56.9\)

\(\displaystyle -47.7\)

Correct answer:

\(\displaystyle 71.1\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle x-467.8=-396.7\) 

Add \(\displaystyle 467.8\) on both sides.

\(\displaystyle x=71.1\)

Example Question #134 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle 17x=561\)

Possible Answers:

\(\displaystyle 43\)

\(\displaystyle 39\)

\(\displaystyle 55\)

\(\displaystyle 41\)

\(\displaystyle 33\)

Correct answer:

\(\displaystyle 33\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle 17x=561\) 

Divide \(\displaystyle 17\) on both sides.

\(\displaystyle x=33\)

Example Question #135 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle -44x=792\)

Possible Answers:

\(\displaystyle -23\)

\(\displaystyle 22\)

\(\displaystyle -18\)

\(\displaystyle 24\)

\(\displaystyle 16\)

Correct answer:

\(\displaystyle -18\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle -44x=792\) 

Divide \(\displaystyle -44\) on both sides.

\(\displaystyle x=-18\)

Example Question #136 : Solving Equations

Solve for \(\displaystyle x\).

\(\displaystyle -28x=-812\)

Possible Answers:

\(\displaystyle -39\)

\(\displaystyle 21\)

\(\displaystyle 39\)

\(\displaystyle 29\)

\(\displaystyle 31\)

Correct answer:

\(\displaystyle 29\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle -28x=-812\) 

Divide \(\displaystyle -28\) on both sides.

\(\displaystyle x=29\)

Example Question #619 : Basic Single Variable Algebra

Solve for \(\displaystyle x\).

\(\displaystyle \frac{7}{9}x=756\)

Possible Answers:

\(\displaystyle 612\)

\(\displaystyle 588\)

\(\displaystyle 963\)

\(\displaystyle 558\)

\(\displaystyle 972\)

Correct answer:

\(\displaystyle 972\)

Explanation:

To solve for the variable perform opposite operations to isolate it on one side of the equation with all constants on the other side.

\(\displaystyle \frac{7}{9}x=756\) 

Multiply \(\displaystyle \frac{9}{7}\) on both sides.

\(\displaystyle x=972\)

Learning Tools by Varsity Tutors