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3 years ago

What solution is this w = 10

Mathematics

1 answer:

alina1380 [7]3 years ago

3 0

Answer:

w = 10

Step-by-step explanation:

9(w - 9) -2 = -7 + 7(w -8)

Expand:

9w - 81 - 2 = -7 + 7w - 56

Rearrange:

9w - 7w = -7 - 56 + 81 + 2

2w = 20

w = 10

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