High School Math : How to solve one-step equations

Study concepts, example questions & explanations for High School Math

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Example Questions

Example Question #11 : How To Solve One Step Equations With Decimals In Pre Algebra

What is ?

Possible Answers:

Correct answer:

Explanation:

To solve , you can either plug it into your calculator or convert it to a fraction. Since , we can rewrite the equation as:

Example Question #12 : How To Solve One Step Equations With Decimals In Pre Algebra

What number is of ?

Possible Answers:

Correct answer:

Explanation:

Verbal cues include "IS" means equals and  "OF" means multiplication.

Example Question #13 : How To Solve One Step Equations With Decimals In Pre Algebra

Michael buys two packs of pencils for  each and three sketch pads for each. He pays for his purchase with .  How much change should he get?

Possible Answers:

Correct answer:

Explanation:

First, calculate how much he spends on pencils and pads.

Pencils: 

Pads: 

Therefore the total spent is .

Then the change is .

Example Question #411 : High School Math

Solve for  if .

Possible Answers:

Correct answer:

Explanation:

We need to isolate x so that it is the only term on the left side of the equation.

To do this, add .16 to both sides of the equation:

The numbers on the left side cancel to leave  by itself.

 

The answer is therefore .

 

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