7w-13=57

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Solution for 7w-13=57 equation: 



7w-13=57

We move all terms to the left:

7w-13-(57)=0

We add all the numbers together, and all the variables

7w-70=0

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

7w=70

w=70/7

w=10

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