Algebra 1 : How to solve two-step equations

Study concepts, example questions & explanations for Algebra 1

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Example Questions

Example Question #771 : Linear Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

 Divide  on both sides.

Example Question #771 : 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.

 Multiply  on both sides.

Example Question #241 : How To Solve Two Step Equations

Solve for .

Possible Answers:

Correct answer:

Explanation:

 Subtract  on both sides.

 Multiply  on both sides.

Example Question #776 : 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.

 Multply  on both sides.

Example Question #777 : Linear Equations

Solve for x in the following equation:

Possible Answers:

Correct answer:

Explanation:

To solve for x, we need to get x to stand alone.  Given the equation

we will first add 4 to both sides.  So,

Now, we will divide both sides by 18.  We get

Example Question #778 : Linear Equations

Solve:  

Possible Answers:

Correct answer:

Explanation:

To isolate the x variable, we can add the variable to move it to the right side of the equation.

Simplify both sides.

Subtract 19 from both sides to move the 19 to the left side of the equation.

The answer is:  

Example Question #773 : Algebra 1

Solve:  

Possible Answers:

Correct answer:

Explanation:

Add the variable on both sides to move the variable to the right side of the equation.

.

Simplify both sides.

Subtract thirty on both sides.

The answer is:  

Example Question #780 : Linear Equations

Solve:  

Possible Answers:

Correct answer:

Explanation:

Subtract eight from both sides.

Simplify.

Divide by five on both sides.

Simplify both sides of the equation.

The answer is:  

Example Question #781 : Linear Equations

Solve the following equation:  

Possible Answers:

Correct answer:

Explanation:

Add three-fourths from both sides.

Simplify both sides. 

In order add fractions on the right side, the denominators must be the same.  Convert the two fractions by their least common denominator.

Add the fractions.

Multiply by three on both sides to isolate .

Example Question #782 : Linear Equations

Solve the following equation for 

Possible Answers:

Correct answer:

Explanation:

Add  to both sides of the equation.

Divde both sides by .

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