Front

What is a one-step equation?

Back

An equation that can be solved in one operation, such as addition, subtraction, multiplication, or division.

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to get the variable by itself on one side of the equation.

Front

Back

Add 21 to both sides to isolate s.

Front

Back

Divide both sides by 4 to find z = 9.

Front

Back

Subtract 5 from both sides to find w = 12.

Front

Back

Add 12 to both sides to find y = 22.

Front

Back

Subtract 9 from both sides, then divide by -2 to find x = -13.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.