One- and Two-Step Equations

Front

What is a one-step equation?

Back

An equation that can be solved in one operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

An equation that requires two operations to isolate the variable.

Front

Solve for a: 2a + 7 = 15

Back

a = 4

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

Solve for n: 6n = 36

Back

n = 6

Front

Solve for a: 19 + a = -50

Back

a = -69

Front

Solve for x: 3x + 7 = -8

Back

x = -5

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other side.