2 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: 9 + 3x = 10

Back

x = 1/3

Front

What is the first step to solve the equation 15 = 2a + 7?

Back

Subtract 7 from both sides to isolate the term with the variable.

Front

Solve: 15 = 2a + 7

Back

a = 4

Front

What is the purpose of isolating the variable in an equation?

Back

To find the value of the variable that makes the equation true.

Front

Solve: x/5 - 13 = 20

Back

x = 165

Front

What is the second step in solving the equation x/5 - 13 = 20?

Back

Add 13 to both sides to isolate the term with x.

Front

What does it mean to 'isolate the variable'?

Back

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

Front

What operation would you perform first in the equation 3x + 5 = 20?

Back

Subtract 5 from both sides.

Front

Solve: 2x - 4 = 10

Back

x = 7