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 9x - 7 = -7?

Back

Add 7 to both sides of the equation.

Front

What is the solution to the equation 9x - 7 = -7?

Back

x = 0.

Front

How do you solve the equation m/9 - 1 = -2?

Back

Add 1 to both sides, then multiply by 9.

Front

What is the solution to the equation m/9 - 1 = -2?

Back

m = -9.

Front

What is the first step to solve the equation 6 = a/4 + 2?

Back

Subtract 2 from both sides of the equation.

Front

What is the solution to the equation 6 = a/4 + 2?

Back

a = 16.

Front

How do you solve the equation -15 = -4m + 5?

Back

Subtract 5 from both sides, then divide by -4.

Front

What is the solution to the equation -15 = -4m + 5?

Back

m = 5.