2-Step Equations

Front

What is a 2-step equation?

Back

A 2-step equation is an algebraic equation that requires two operations to isolate the variable and solve for its value.

Tags

CCSS.7.EE.B.4A

Front

How do you isolate a variable in a 2-step equation?

Back

To isolate a variable in a 2-step equation, perform the inverse operations in the reverse order of their appearance.

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 3x - 9 = 9?

Back

The first step is to add 9 to both sides of the equation to eliminate the constant term.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve the equation 3x - 9 = 9 after adding 9?

Back

The second step is to divide both sides by 3 to solve for x.

Tags

CCSS.7.EE.B.4A

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.

Tags

CCSS.HSA.REI.A.1

Front

How do you check your solution for a 2-step equation?

Back

To check your solution, substitute the value of the variable back into the original equation to see if both sides are equal.

Tags

CCSS.HSA.REI.A.1

Front

What is the solution to the equation 3x - 7 = -16?

Back

The solution is x = -3.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation -1x + 10 = 5?

Back

The solution is x = 5.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 4x - 5 = 11?

Back

The solution is x = 4.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 14 = 6x - 4?

Back

The solution is x = 3.

Tags

CCSS.7.EE.B.4A