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 a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Front

What is the first step to solve the equation 7k - 14 = 42?

Back

Add 14 to both sides of the equation.

Front

What is the solution to the equation 7k - 14 = 42?

Back

k = 8.

Front

What is the first step to solve the equation 9 = 4g + 13?

Back

Subtract 13 from both sides of the equation.

Front

What is the solution to the equation 9 = 4g + 13?

Back

g = -1.

Front

What is the first step to solve the equation -5 - 6a = -59?

Back

Add 5 to both sides of the equation.

Front

What is the solution to the equation -5 - 6a = -59?

Back

a = 9.

Front

What is the first step to solve the equation 8 - 2x = 30?

Back

Subtract 8 from both sides of the equation.

Front

What is the solution to the equation 8 - 2x = 30?

Back

x = -11.