2-Step Equations

Front

What is a 2-step equation?

Back

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

Front

Solve for k: -2k + 10 = 40

Back

k = -15

Front

Solve for x: 2x - 20 = 150

Back

x = 85

Front

Solve for k: 10 + 5k = 60

Back

k = 10

Front

What should you eliminate first when solving a 2-step equation?

Back

You should get rid of the number without the variable first.

Front

Solve for y: y/-4 + 12 = 10

Back

y = 8

Front

What is the first step to solve the equation 3x + 6 = 15?

Back

Subtract 6 from both sides to isolate the term with the variable.

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 for x: 4x - 8 = 0

Back

x = 2

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.