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John bought a gym membership for $20 each month.
He pays an additional $4 each time he attends a class
with a trainer. Last month, he spent $76 total. How
many classes did he attend with the trainer?

8 classes
19 classes
16 classes
12 classes
14 classes

Respuesta :

Answer: 14 classes

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

76=4x+20

Step 2: Flip the equation.

4x+20=76

Step 3: Subtract 20 from both sides.

4x+20−20=76−20

4x=56

Step 4: Divide both sides by 4.

4x

4

=

56

4

x=14

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