Pre-Algebra : Pre-Algebra
Study concepts, example questions & explanations for Pre-Algebra
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Example Questions
Example Question #1 : One Step Equations
To solve this equation, you must isolate the variable. In order to do this, do the opposite operation (division) to move the 9 to the other side of the equation. Keep in mind you must do the same step on each side of the equation every time you change something.
Your result shoud look like this:
Example Question #1 : Evaluate Expressions: Ccss.Math.Content.6.Ee.A.2c
Isolate the variable by dividng both sides by 2:
Your answer should be the following:
Example Question #5 : One Step Equations
To solve this equation, isolate the variable. To do this, move the 2 to the other side of the equation. Do this by doing the opposite operation (division). Keep in mind you must do the same step on each side of the equation every time you change something.
Your answer should look like this:
Example Question #6 : One Step Equations
Solve for 
Divide both sides of the equation by 6:
Your result should be:
Example Question #11 : One Step Equations With Integers
Solve for 
Subtract 
Your result should be:
Example Question #683 : Grade 6
Solve for 
Subtract 23 from both sides:
Your result should be:
Example Question #691 : Grade 6
Solve for 
Divide both sides of the equation by 3:
Example Question #692 : Grade 6
Solve the following:
Since both numbers are the same sign (negative), we can add them.
Remember to keep the sign! In this case, the answer is negative.
Example Question #693 : Grade 6
Solve for
In order to isolate 
This gives us:
Example Question #751 : Pre Algebra
Solve.
Because the signs are different (63 is negative, 15 is positive) we can subtract:
Remember: the largest number always keeps its sign!
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