Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to isolate the variable and solve for its value.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform inverse operations to both sides of the equation until the variable is alone on one side.

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What is the solution to the equation 4x + 7 = 23?

Back

x = 4.

Front

What does it mean to solve for a variable?

Back

To solve for a variable means to find its value that makes the equation true.

Front

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

Back

y = 5.

Front

What operation would you use to eliminate a constant from one side of an equation?

Back

You would use addition or subtraction, depending on the sign of the constant.

Front

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

Back

The value of x is -10.

Front

What is the second step to solve the equation 4x + 7 = 23 after isolating the variable?

Back

Subtract 7 from both sides.

Front

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

Back

The value of a is -6.