7=w+8

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Solution for 7=w+8 equation: 



7=w+8

We move all terms to the left:

7-(w+8)=0

We get rid of parentheses

-w-8+7=0

We add all the numbers together, and all the variables

-1w-1=0

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

-w=1

w=1/-1

w=-1

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