Algebra 1 : How to solve one-step equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #321 : How To Solve One Step Equations

Solve for :

Possible Answers:

Correct answer:

Explanation:

 Divide  on both sides. When dividing with another negative number, our answer is positive.

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Example Question #321 : How To Solve One Step Equations

Solve for :

Possible Answers:

Correct answer:

Explanation:

 Multiply  on both sides.

Example Question #322 : How To Solve One Step Equations

Solve for :

Possible Answers:

Correct answer:

Explanation:

 Multiply  on both sides. When multiplying with a negative number, our answer is negative.

Example Question #323 : How To Solve One Step Equations

Solve for :

Possible Answers:

Correct answer:

Explanation:

 Multiply  on both sides. When multiplying with another negative number, our answer is positive.

Example Question #324 : How To Solve One Step Equations

Solve the following for :

Possible Answers:

Correct answer:

Explanation:

To solve, simply add  to both sides in order to isolate . Thus,

Example Question #325 : How To Solve One Step Equations

Solve the following equation for b

Possible Answers:

Correct answer:

Explanation:

Solve the following equation for b

This is a one-step equation, we can solve it in only one step.

That step is to divide by negative 4

Which is our answer.

Example Question #326 : How To Solve One Step Equations

Solve:  

Possible Answers:

Correct answer:

Explanation:

In order to isolate the unknown variable, multiply both sides by the reciprocal of the coefficient in front of the .

Simplify both sides.

Example Question #327 : How To Solve One Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Cross-multiply. Don't forget to distribute since the denominator of that fraction is an expression.

 Add  on both sides.

 Divide  on both sides.

Example Question #328 : How To Solve One Step Equations

Solve the following equation:  

Possible Answers:

Correct answer:

Explanation:

In order to solve for , add 11 on both sides in order to isolate the unknown variable.

Simplify both sides of the equation.

Example Question #329 : How To Solve One Step Equations

 of  is 

Possible Answers:

Correct answer:

Explanation:

First convert the percent to a decimal. Just shift the decimal place two places to the left.  . Next, when we see of, it means multiplication.

 Remember to shift two decimal places to the left because of decimal placement.

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