One- and Two-Step Equations

Front

What is a one-step equation?

Back

An equation where only one step (operation) is needed to solve it.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

Solve for n: 5n = 20

Back

n = 4

Front

Solve for x: x + 7 = 12

Back

x = 5

Front

What is the first step in solving the equation -15 = -10 + 5n?

Back

Add 10 to each side.

Front

Solve for y: 3y - 9 = 0

Back

y = 3

Front

What does it mean to isolate the variable?

Back

To get the variable alone on one side of the equation.

Front

Solve for n: 6n + 4 = -26

Back

n = -5

Front

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

Back

x = 10

Front

Solve for z: 2z + 8 = 16

Back

z = 4