Two-step equations with models

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

What is the first step to solve a two-step equation?

Back

The first step is usually to isolate the term with the variable by performing the inverse operation of the constant term.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve a two-step equation?

Back

The second step is to isolate the variable by performing the inverse operation of the coefficient.

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 3x + 3 = 15

Back

x = 4

Tags

CCSS.7.EE.B.4A

Front

Solve for x: 3x - 3 = 15

Back

x = 6

Tags

CCSS.7.EE.B.4A

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Tags

CCSS.7.EE.B.4A

Front

What is the solution to the equation 2x + 4 = 10?

Back

x = 3

Tags

CCSS.7.EE.B.4A

Front

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

Back

x = 3

Tags

CCSS.7.EE.B.4A

Front

If x + 7 = 12, what is x?

Back

x = 5

Tags

CCSS.6.EE.B.7

Front

If 4x = 20, what is x?

Back

x = 5

Tags

CCSS.6.EE.B.7