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Hatshy [7]
3 years ago
15

Penny solved an equation by subtracting 6 from each side of the equation and then dividing each side by 5.

Mathematics
1 answer:
VikaD [51]3 years ago
3 0

Answer:

Step-by-step explanation:

In order to solve for x, she had to first subtract 6 on both sides of the equation.  Then divide by 5 on both sides of he equation.  After the division part, she was able to successfully isolate x.

The equation she had to solve was     (C)  5x+6=21

First step:  Subtracting 6 on both sides of equation resulted in

5x = 15

Second step:  Dividing both sides of the equation by 5 resulted in

x = 3

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