Solving Two Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they appear in the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation -4 = 2t - 2?

Back

Add 2 to both sides of the equation to isolate the term with the variable.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 2k + 12 = -4?

Back

The solution is k = -8.

Tags

CCSS.7.EE.B.4A

Front

What operation would you perform first to solve the equation 9 = 2s + 1?

Back

Subtract 1 from both sides of the equation.

Tags

CCSS.HSA.REI.A.1

Front

What is the final step to solve the equation 4c - 6 = 2?

Back

Add 6 to both sides and then divide by 4.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to perform the inverse operation?

Back

An inverse operation reverses the effect of the original operation, such as addition and subtraction or multiplication and division.

Tags

CCSS.HSA.REI.A.1

Front

How can you check your solution for a two-step equation?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Tags

CCSS.8.EE.C.7B

Front

What is the solution to the equation -5 = 3m - 14?

Back

The solution is m = 3.

Tags

CCSS.7.EE.B.4A

Front

What is the purpose of solving two-step equations?

Back

The purpose is to find the value of the variable that makes the equation true.

Tags

CCSS.7.EE.B.4A