8=w-7

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Solution for 8=w-7 equation: 



8=w-7

We move all terms to the left:

8-(w-7)=0

We get rid of parentheses

-w+7+8=0

We add all the numbers together, and all the variables

-1w+15=0

We move all terms containing w to the left, all other terms to the right

-w=-15

w=-15/-1

w=+15

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