Solving 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

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone.

Front

What is the first step to solve the equation: m/9 - 1 = -2?

Back

Add 1 to both sides to isolate the term with m.

Front

What is the solution to the equation: m/9 - 1 = -2?

Back

m = -9.

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.

Front

What is the first step to solve the equation: -3a + 8 = 14?

Back

Subtract 8 from both sides.

Front

What is the solution to the equation: -3a + 8 = 14?

Back

a = -2.

Front

What is the first step to solve the equation: 26 = 5a + 1?

Back

Subtract 1 from both sides.

Front

What is the solution to the equation: 26 = 5a + 1?

Back

a = 5.

Front

What is the first step to solve the equation: 33 = 4a - 7?

Back

Add 7 to both sides.