Pre-Algebra : Pre-Algebra

Study concepts, example questions & explanations for Pre-Algebra

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Example Questions

Example Question #22 : One Step Equations With Integers

Solve for .

Possible Answers:

Correct answer:

Explanation:

To get x by itself, you must add 4 to both sides of the equation

which simplifies to

Example Question #21 : One Step Equations With Integers

Solve for .

Possible Answers:

Correct answer:

Explanation:

To get y by itself, you must multiply both sides of the equation by 3

which simplifies to

Example Question #22 : One Step Equations With Integers

Solve for .

Possible Answers:

Correct answer:

Explanation:

To get z by itself, you must subtract 11 from both sides

which simplifies to

Example Question #31 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c

Solve for .

Possible Answers:

Correct answer:

Explanation:

To get y by itself, you must add 7 to both sides of the equation

which simplifies to

Example Question #32 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c

Solve for .

Possible Answers:

Correct answer:

Explanation:

Add 2x to each side to get all variables on one side: 

Example Question #252 : Expressions & Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

To isolate the variable "s" from the expression 32s, divide both sides of the equation by 32. 128/32=4, so s=4

Example Question #31 : One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

Add 3625 to each side to isolate y. This gives you the answer 5024

Example Question #711 : Grade 6

Solve:  

Possible Answers:

Correct answer:

Explanation:

To solve for , multiply ten on both sides of the equation to eliminate the denominator.

Example Question #253 : Expressions & Equations

solve for

Possible Answers:

None of the other answers.

Correct answer:

Explanation:

To solve for x you simply isolate it on one side of the equation. To do this, apply the opposite operations to manipulate the equation.

Subtract 15 from both sides:

The red terms canceled.

We just subtract as normal on the right side.

Example Question #713 : Grade 6

Solve: 

Possible Answers:

Correct answer:

Explanation:

In order to solve the equation, we have to isolate the variable. We do this by performing the same operation to either side of the equation.

To eliminate the fraction, multiply both sides by eight to cancel the denominator.

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