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 a variable.

Front

What is the first step in solving a two-step equation?

Back

The first step is usually to isolate the variable by performing the inverse operation of the constant term.

Front

What is the second step in solving a two-step equation?

Back

The second step is to perform the inverse operation of the coefficient of the variable to solve for the variable.

Front

Solve for k: 2k + 4 = 20

Back

k = 8

Front

Solve for a: 3a - 4 = 44

Back

a = 16

Front

Solve for n: 5n + 10 = 0

Back

n = -2

Front

Solve for x: 3x - 8 = 4

Back

x = 4

Front

Solve for b: 4b + 8 = 56

Back

b = 12

Front

What does it mean to isolate a variable?

Back

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

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.