ISEE Middle Level Math : How to find the solution to an equation

Study concepts, example questions & explanations for ISEE Middle Level Math

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Example Questions

Example Question #593 : Algebraic Concepts

Solve for y in the following equation:

Possible Answers:

Correct answer:

Explanation:

To solve for y, we want y to stand alone.  

So, in the equation

we need to move the 8.  To move it, we need to cancel it.  Right now, y is being multiplied by 8.  To cancel, we need to divide by 8.

If we divide by 8 on the left side of the equal sign, we need to divide by 8 on the right side of the equal sign.  So, we get

Example Question #594 : Algebraic Concepts

 Solve for h in the following equation:

Possible Answers:

Correct answer:

Explanation:

To solve for h, we want h to stand alone.

So, in the equation

We want to move the 6.  To move it, we need to cancel it.  Right now, h is being divided by 6.  To cancel, we need to multiply by 6.  If we multiply by 6 on the left side of the equal sign, we need to multiply by 6 on the right side of the equal sign.  So,

Example Question #595 : Algebraic Concepts

Which of the following makes this equation true?            

Possible Answers:

Correct answer:

Explanation:

To answer this, we want to solve for x.  So, we get

 

Example Question #596 : Algebraic Concepts

Solve for y in the following equation:

 

Possible Answers:

Correct answer:

Explanation:

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

 

Example Question #601 : Algebraic Concepts

Which of the following makes the equation true:

Possible Answers:

Correct answer:

Explanation:

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

Example Question #602 : Algebraic Concepts

Solve for x in the following:

Possible Answers:

Correct answer:

Explanation:

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

Example Question #603 : Algebraic Concepts

Which of the following makes this equation true:

Possible Answers:

Correct answer:

Explanation:

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

Example Question #604 : Algebraic Concepts

Which of the following makes this equation true:

Possible Answers:

Correct answer:

Explanation:

To answer the question, we will solve for x.  So, we get

Example Question #605 : Algebraic Concepts

Solve for y:

Possible Answers:

Correct answer:

Explanation:

To solve for y, we get

Example Question #606 : Algebraic Concepts

Which of the following makes this equation true:

Possible Answers:

Correct answer:

Explanation:

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

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