90w+7=81w+70=

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Solution for 90w+7=81w+70= equation: 



90w+7=81w+70=

We move all terms to the left:

90w+7-(81w+70)=0

We get rid of parentheses

90w-81w-70+7=0

We add all the numbers together, and all the variables

9w-63=0

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

9w=63

w=63/9

w=7

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