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 -6x = 18?

Back

Divide both sides by -6 to isolate x.

Front

What is the solution to the equation -6x = 18?

Back

x = -3.

Front

What is the first step to solve the equation -4x + 1 = 21?

Back

Subtract 1 from both sides.

Front

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

Back

x = -5.

Front

What is the first step to solve the equation 11 - 3x = 44?

Back

Subtract 11 from both sides.

Front

What is the solution to the equation 11 - 3x = 44?

Back

x = -11.

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

What is the purpose of performing the same operation on both sides of an equation?

Back

To maintain the equality of the equation.

Front

What is the solution to the equation 2x + 4 = 12?

Back

x = 4.