1 Answer

Fallen Satan · Answer 1 · 2020-12-09T02:34:35+0000

Answer:

see explanation

Explanation:

The error is in Step 1, by not adding 2 on the left side, that is

Given

7.7 = w - 2 ( add 2 to both sides )

7.7 + 2 = w - 2 + 2

9.7 = w

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