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

Solve the equation: 5x - 8 = 22

Back

x = 6

Tags

CCSS.7.EE.B.4A

Front

Solve the equation: 2x + 9 = 25

Back

x = 8

Tags

CCSS.7.EE.B.4A

Front

Solve the equation: 7 - 3x = 16

Back

x = -3

Tags

CCSS.7.EE.B.4A

Front

Solve the equation: 4(2x + 3) - 5 = 23

Back

x = 1.375

Tags

CCSS.7.EE.B.4A

Front

Solve the equation: 6 - 2x = 10

Back

x = -2

Tags

CCSS.7.EE.B.4A

Front

What is the first step to solve the equation 3x + 4 = 10?

Back

Subtract 4 from both sides to get 3x = 6.

Tags

CCSS.7.EE.B.4A

Front

What is the second step to solve the equation 3x = 6?

Back

Divide both sides by 3 to get x = 2.

Tags

CCSS.6.EE.B.7

Front

What does it mean to 'simplify' an equation?

Back

To simplify an equation means to reduce it to its simplest form, making it easier to solve.

Tags

CCSS.8.EE.C.7B