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 for c: 3c + 5 = 23

Back

c = 6

Front

Solve for z: 0 = 8z + 8

Back

z = -1

Front

Solve for a: 2a + 6 = 0

Back

a = -3

Front

Solve for a: 9 = 2s + 1

Back

s = 4

Front

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

Back

The first step is to isolate the term with the variable by performing the inverse operation.

Front

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

Back

The second step is to solve for the variable by performing the remaining operation.

Front

Solve for a: 2a - 4 = 10

Back

a = 7

Front

Solve for b: 5b + 10 = 25

Back

b = 3

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.