GED Math : Solving for the Variable

Study concepts, example questions & explanations for GED Math

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Example Questions

Example Question #41 : Solving For The Variable

Solve for x.

Possible Answers:

Correct answer:

Explanation:

To solve for x, we want x to stand alone. So, we get

 

 

Example Question #42 : Solving For The Variable

Solve for :  

Possible Answers:

Correct answer:

Explanation:

Subtract  from both sides.

Add 2 on both sides.

The answer is:  

Example Question #43 : Solving For The Variable

Which of the following makes this equation true:

Possible Answers:

Correct answer:

Explanation:

To answer the question, we will solve for y. We get

 

 

 

 

 

Example Question #44 : Solving For The Variable

Solve the following equation:  

Possible Answers:

Correct answer:

Explanation:

Add 15 on both sides.

Simplify both sides of the equation.

Divide by 8 on both sides.

Reduce the fractions.

The answer is:  

Example Question #45 : Solving For The Variable

Solve for :  

Possible Answers:

Correct answer:

Explanation:

Subtract  from both sides.

Subtract 3 from both sides.

Divide by 2 on both sides.

The answer is:  

Example Question #46 : Solving For The Variable

Solve for :  

Possible Answers:

Correct answer:

Explanation:

Subtract 3 from both sides.

Multiply by eight on both sides to isolate the variable.

The answer is:  

Example Question #47 : Solving For The Variable

Solve for j in the following equation:

Possible Answers:

Correct answer:

Explanation:

To solve for j, we want j to stand alone. So, we get

 

 

 

 

Example Question #48 : Solving For The Variable

Solve for :  

Possible Answers:

Correct answer:

Explanation:

Distribute the two through the both terms inside the binomial on the left.

Add 10 on both sides.

Divide by 6 on both sides.

Reduce both fractions.

The answer is:  

Example Question #49 : Solving For The Variable

Solve the equation:  

Possible Answers:

Correct answer:

Explanation:

Multiply by  on both sides.

Divide by negative three on both sides.

The answer is:  

Example Question #50 : Solving For The Variable

Solve:  

Possible Answers:

Correct answer:

Explanation:

Divide by negative eight on both sides.  This is similar to multiply negative one-eighths on both sides.

The answer is:  

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