-9w+4w=7

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Solution for -9w+4w=7 equation: 



-9w+4w=7

We move all terms to the left:

-9w+4w-(7)=0

We add all the numbers together, and all the variables

-5w-7=0

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

-5w=7

w=7/-5

w=-1+2/5

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