Equation Word Problems (2-step)

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 an equation?

Back

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

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the first step in solving a two-step equation?

Back

The first step is usually to eliminate any constant added or subtracted from the variable.

Front

What is the second step in solving a two-step equation?

Back

The second step is to divide or multiply to isolate the variable.

Front

If 5 times a number increased by 30 is 15, what is the number?

Back

The number is -3.

Front

Terry was charged $40 per hour of labor plus $200 for parts. If his total bill was $380, how many hours of labor was he charged for?

Back

Terry was charged for 4.5 hours of labor.

Front

Sally bought three candy bars for a total of $18.00. Write an equation to find the cost of each candy bar using c as the variable.

Back

The equation is 3c = 18.

Front

Nicole and her friend earned $10.93 each. What equation can be used to find the total amount they earned?

Back

The equation is d/2 = 10.93.

Front

A printer can print 10 pages per minute. If there were already 35 pages in the tray and the total printed was 115 pages, how many minutes has the printer been running?

Back

The printer has been running for 8 minutes.