7w-2+4w-7=90

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Solution for 7w-2+4w-7=90 equation: 



7w-2+4w-7=90

We move all terms to the left:

7w-2+4w-7-(90)=0

We add all the numbers together, and all the variables

11w-99=0

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

11w=99

w=99/11

w=9

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