Algebra 1 : How to solve one-step equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #431 : Linear Equations

Solve for x in the following equation:

Possible Answers:

Correct answer:

Explanation:

When solving for x, we want x to stand alone.  In the equation

we want to solve for x, so we multiply both sides by -2.  So,

Example Question #432 : Linear Equations

Solve for y in the following equation:

Possible Answers:

Correct answer:

Explanation:

When solving for y, we want y to stand alone.  In the equation

we want to solve for y, so we divide both sides by -4.  So,

Example Question #433 : Linear Equations

Solve for x in the following equation:

Possible Answers:

Correct answer:

Explanation:

To solve for x, we want to get x to stand alone.  In the equation

we will divide both sides by -3.  We get

Example Question #434 : Linear Equations

Solve for :  

Possible Answers:

Correct answer:

Explanation:

In order to solve and isolate the  variable, divide by  on both sides of the equation.

Simplify both sides.  The left side will become x.

The answer is:  

Example Question #431 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

Example Question #436 : Linear Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides. Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction.

Example Question #437 : Linear Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides. When adding with another negative number, just treat as an addition problem and then add a negative sign in front.

Example Question #432 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides.

Example Question #439 : Linear Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides. Since  is greater than  and is negative, our answer is negative. We treat as a normal subtraction.

Example Question #440 : Linear Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides. Since  is greater than  and is positive, our answer is positive. We treat as a normal subtraction.

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