2.2 Solve 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.

Front

Solve: 2x - 3 = 1

Back

x = 2

Front

What is the first step to solve the equation 2x - 3 = 1?

Back

Add 3 to both sides of the equation.

Front

Solve for x: 2x + 4 = 12

Back

x = 4

Front

What is the second step to solve the equation 2x + 4 = 12?

Back

Subtract 4 from both sides of the equation.

Front

Solve: 12 - 6y = 24

Back

y = -2

Front

What does it mean to isolate the variable in an equation?

Back

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

Front

Solve: 2x - 7 = -23

Back

x = -8

Front

What operation would you perform first to solve the equation 12 - 6y = 24?

Back

Subtract 12 from both sides.

Front

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

Back

x = 5