-9-7u=-3+7

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Solution for -9-7u=-3+7 equation: 



-9-7u=-3+7

We move all terms to the left:

-9-7u-(-3+7)=0

We add all the numbers together, and all the variables

-7u-9-4=0

We add all the numbers together, and all the variables

-7u-13=0

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

-7u=13

u=13/-7

u=-1+6/7

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