Algebra 1 : How to solve one-step equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #221 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Add  to both sides of the equation.

Solve.

Example Question #222 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

Add  to both sides of the equation. 

Since  is greater than  and is negative, our answer is negative. We will treat the operation as a subtraction problem.

Solve.

Example Question #223 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Add  to both sides of the equation.

Since   is greater than  and is positive, our answer is positive. We will treat the operation as a subtraction problem.

Solve.

Example Question #224 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Add  to both sides of the equation.

Since  is greater than  and is negative, our answer is negative. We will treat the operation as a subtraction problem.

Solve.

Example Question #225 : How To Solve One Step Equations

Solve for 

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Divide both sides of the equation by .

Solve.

Example Question #226 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Divide both sides of the equation by .

 

Solve. When dividing a positive number with a negative number, our answer will be negative.

Example Question #227 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Divide both sides of the equation by .

 

Solve. When dividing two negative numbers, our answer is positive.

Example Question #228 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Multiply both sides of the equation by .

Solve.

Example Question #229 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

 

Multiply both sides of the equation by .

Solve. When multiplying a negative number with a positive number, the answer is negative.

Example Question #230 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate it on the left side of the equation. We will do this by performing the same operations on both sides of the given equation:

Multiply both sides of the equation by .

 

Solve. When multiplying two negative numbers, our answer is positive.

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