-4u+7=-15

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Solution for -4u+7=-15 equation: 



-4u+7=-15

We move all terms to the left:

-4u+7-(-15)=0

We add all the numbers together, and all the variables

-4u+22=0

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

-4u=-22

u=-22/-4

u=5+1/2

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