Flashcardizz: Lesson 20 and 21 Review

Front

Solve x + 43 = 91

Back

x = 48

Front

How would you solve 5x = 30?

Back

Divide by 5 on both sides.

Front

Is 9 a solution for x in the equation 3x = 12?

Back

No

Front

Cheryl gets paid $8 per hour for her job at the record store. She made a total of $96 last week. Which equation models this situation?

Back

8h = 96

Front

Solve 14x = 84

Back

x = 6

Front

What is the first step to isolate x in the equation x + 5 = 12?

Back

Subtract 5 from both sides.

Front

What does it mean for a number to be a solution of an equation?

Back

It means that when the number is substituted for the variable, the equation is true.

Front

If 3x = 15, what is the value of x?

Back

x = 5

Front

What is the equation for finding total pay if you earn $10 per hour and work h hours?

Back

Total Pay = 10h

Front

What is the solution to the equation 2x + 4 = 12?

Back

x = 4