High School Math : How to solve one-step equations with integers in pre-algebra

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 Integers In Pre Algebra

Solve for  if

 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where  is being divided by a number, we must multiply both sides of the equation by the number.

In this case the number is  so we multiply each side of the equation by  to make it look like this

 

The 's on the left side cancel so we only have .

Then we perform the necessary multiplication to get the answer of .

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

Solve for  if 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation of .

To do this in a problem where  is being divided by a number, we must multiply both sides of the equation by the number.

In this case the number is  so we multiply each side of the equation by  to make it look like this 

The 's on the left side cancel so we only have .

Then we perform the necessary multiplication to get the answer of 

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

Solve for  if 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where a number is being added to , we must subtract the number from both sides of the equation.

In this case the number is  so we subtract  from each side of the equation to make it look like this 

The 's on the left side cancel to get 

Then we perform the necessary subtraction to get the answer of  .

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

Solve for  if 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where  is being multiplied by a number, we must divide both sides of the equation by the number.

In this case the number is  so we divide each side of the equation by  to make it look like this 

The 's cancel to leave  by itself.

Then we perform the necessary division to get the answer of .

Example Question #15 : How To Solve One Step Equations With Integers In Pre Algebra

Solve for .

Possible Answers:

Correct answer:

Explanation:

To solve, you want to isolate the  on one side.

To get ride of the , you add  to both sides.

Then you divide by  on both sides.

 

Example Question #16 : How To Solve One Step Equations With Integers In Pre Algebra

Solve for  if .

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where a number is being added to , we must subtract the number from both sides of the equation.

In this case the number is  so we subtract  from each side of the equation to make it look like this 

The 's on the left side cancel to get 

Then we perform the necessary subtraction to get the answer of  .

Example Question #17 : How To Solve One Step Equations With Integers In Pre Algebra

Solve for  if

 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where  is being divided by a number, we must multiply both sides of the equation by the number.

In this case the number is  so we multiply each side of the equation by  to make it look like this

 

The 's on the left side cancel so we only have .

Then we perform the necessary multiplication to get the answer of .

Example Question #18 : How To Solve One Step Equations With Integers In Pre Algebra

Solve for if 

Possible Answers:

Correct answer:

Explanation:

To solve for  we must get all of the numbers on the other side of the equation as .

To do this in a problem where a number is being added to , we must subtract the number from both sides of the equation.

In this case the number is  so we subtract  from each side of the equation to make it look like this 

The s on the left side cancel to get 

Then we perform the necessary subtraction to get the answer of  .

Example Question #19 : How To Solve One Step Equations With Integers In Pre Algebra

Solve for the value of .

Possible Answers:

Correct answer:

Explanation:

We need to isolate the variable. Subtract  from both sides

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

Solve for .

Possible Answers:

Correct answer:

Explanation:

Subtract  from both sides.

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