Algebra 1 : How to solve one-step equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #271 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate the variable on the left side of the equation.  We will do this by performing the reverse operations that were done on the variable to both sides of the equation.

 

Divide both sides of the equation by . Remember when dividing a negative number by a positive number, the answer is negative.

Solve.

Example Question #272 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate the variable on the left side of the equation.  We will do this by performing the reverse operations that were done on the variable to both sides of the equation.

 

Divide both sides of the equation by . Remember when dividing a negative number by a negative number, the answer is positive.

Solve.

Example Question #273 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate the variable on the left side of the equation.  We will do this by performing the reverse operations that were done on the variable to both sides of the equation.

 

Multiply both sides of the equation by .

Solve.

Example Question #271 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate the variable on the left side of the equation.  We will do this by performing the reverse operations that were done on the variable to both sides of the equation.

 

Multiply both sides of the equation by . Remember when multiplying a positive number by a negative number, the answer is negative.

Solve.

Example Question #275 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

In order to solve for , we need to isolate the variable on the left side of the equation.  We will do this by performing the reverse operations that were done on the variable to both sides of the equation.

 

Multiply both sides of the equation by . Remember when multiplying a negative number by a negative number, the answer is positive.

Solve.

Example Question #271 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

Example Question #277 : How To Solve One Step 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 #273 : How To Solve One Step 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 #272 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Add  on both sides.

Example Question #280 : How To Solve One Step 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.

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