Equalities

-12 + c = 38

• c = -19/6

• c = -456

• c = 26

• c = 50

10 = -7 + b

• b = -17

• b = 3

• b = 17

• b = -3

What is the first step in solving the equation?

• Add 4 to each side

• Subtract 4 from each side

• Subtract 2y from each side

• Divide each side by 2y

-(n - 8) = -2

• 6

• 10

• -10

• -6

You can spend no more than 20 dollars on your mom's birthday present.

• x > 20

• x < 20

• x ≤ 20

• x ≥ 20

you must be at least 48 inches to ride the roller coaster.

• x > 48

• x < 48

• x ≤ 48

• x ≥ 48

Match:
You must be at least 48 inches tall to ride the bumper cars.
Let h be your height in inches.

• h < 48

• h > 48

• h ≤ 48

• h ≥ 48

The cost to rent a rug cleaner for a day is $25 plus $15 per hour. Write an inequality that can be used to show how many hours (x) you can rent the rug cleaner for so that the charges will be less than $130.

Mathematical Equivalence

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Edith must read for a minimum of 20 minutes every night.

• x > 20

• x < 20

• x ≥ 20

• x ≤ 20

x > 8

• expression

• equation

• inequality