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

What is the first step to solve the equation -3x - 12 = 15?

Back

Add 12 to both sides.

Front

What is the second step to solve the equation -3x = 27?

Back

Divide both sides by -3.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation.

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

Solve for x: 2x + 4 = 12

Back

x = 4.

Front

What is the solution to the equation -4x + 1 = 21?

Back

x = -5.

Front

What is the first step to solve the equation 5x - 13 = 2?

Back

Add 13 to both sides.

Front

What is the solution to the equation -3x + 5 = -13?

Back

x = 6.

Front

What is the purpose of checking your solution in an equation?

Back

To verify that the solution satisfies the original equation.