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 inverse operations in the reverse order of operations used in the equation.

Front

What is the first step to solve the equation 2x + 11 = 23?

Back

Subtract 11 from both sides of the equation.

Front

What is the solution to the equation 2x + 11 = 23?

Back

x = 6.

Front

How do you solve the equation \frac{x}{7} - 12 = 8?

Back

First, add 12 to both sides, then multiply both sides by 7.

Front

What is the solution to the equation \frac{x}{7} - 12 = 8?

Back

x = 140.

Front

What is the first step to solve the equation -3x - 18 = -63?

Back

Add 18 to both sides of the equation.

Front

What is the solution to the equation -3x - 18 = -63?

Back

x = 27.

Front

How do you solve the equation \frac{1}{4}x + 12 = -9?

Back

First, subtract 12 from both sides, then multiply both sides by 4.

Front

What is the solution to the equation \frac{1}{4}x + 12 = -9?

Back

x = -84.