(7w-6)+(8w+6)=90

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Solution for (7w-6)+(8w+6)=90 equation: 



(7w-6)+(8w+6)=90

We move all terms to the left:

(7w-6)+(8w+6)-(90)=0

We get rid of parentheses

7w+8w-6+6-90=0

We add all the numbers together, and all the variables

15w-90=0

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

15w=90

w=90/15

w=6

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