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

What is the first step in solving the equation 2x - 14 = 34?

Back

Add 14 to both sides.

Front

What is the second step in solving the equation 2x - 14 = 34?

Back

Divide both sides by 2.

Front

What is the value of x in the equation 5x + 15 = 0?

Back

x = -3.

Front

How do you isolate the variable in a two-step equation?

Back

First, undo the addition or subtraction, then undo the multiplication or division.

Front

Solve the equation 5x + 3 = 28.

Back

x = 5.

Front

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

Back

k = 8.

Front

What does it mean to 'undo' an operation in solving equations?

Back

To 'undo' an operation means to perform the opposite operation to isolate the variable.

Front

What is the opposite of addition?

Back

Subtraction.

Front

What is the opposite of multiplication?

Back

Division.