Solving One-Step Equations (22/23)

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single step by performing an inverse operation.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

Solve the equation: -16 + x = -15.

Back

x = 1.

Front

Solve the equation: 10x = -90.

Back

x = -9.

Front

Solve the equation: x - 3 = 27.

Back

x = 30.

Front

Solve the equation: x ÷ (-2) = -12.

Back

x = 24.

Front

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

Back

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

Front

What is the first step to solve the equation x + 5 = 12?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 3x = 12?

Back

x = 4.