-3+7=-9u=49

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Solution for -3+7=-9u=49 equation: 



-3+7=-9u=49

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-9u)+4=0

We get rid of parentheses

9u+4=0

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

9u=-4

u=-4/9

u=-4/9

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