Two-step equations with models

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 a two-step equation?

Back

The first step is usually to isolate the term with the variable by performing the inverse operation of the constant term.

Front

What is the second step to solve a two-step equation?

Back

The second step is to isolate the variable by performing the inverse operation of the coefficient.

Front

Solve for x: 3x + 3 = 15

Back

x = 4

Front

Solve for x: 3x - 3 = 15

Back

x = 6

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

What is the solution to the equation 2x + 4 = 10?

Back

x = 3

Front

What is the solution to the equation 5x - 5 = 10?

Back

x = 3

Front

If x + 7 = 12, what is x?

Back

x = 5

Front

If 4x = 20, what is x?

Back

x = 5