2 Answers

Alentejo · Answer 1 · 2019-05-27T07:28:26+0000

In Step One, he did not multiply 7 by 8. When multiplying both sides by 8, each term on each side has to be multiplied by 8. He could have done it in the following ways:

$8\bullet( (x)/(8) +7)=22\bullet8$

OR

$8\bullet (x)/(8)+8\bullet7=22\bullet8$

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