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

Back

x = 15

Front

What is the first step to solve the equation 9 + 3x = 10?

Back

Subtract 9 from both sides to isolate the term with x.

Front

Solve for x: 9 + 3x = 10

Back

x = 1/3

Front

What does it mean to isolate a variable in an equation?

Back

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

Front

Back

x = -18

Front

Back

Subtract 5 from both sides.

Front

Back

x = 48

Front

Back

Add 8 to both sides.

Front

Back

x = 70