72+w=9w

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Solution for 72+w=9w equation: 



72+w=9w

We move all terms to the left:

72+w-(9w)=0

We add all the numbers together, and all the variables

-8w+72=0

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

-8w=-72

w=-72/-8

w=+9

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