-7=-3+u/4

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Solution for -7=-3+u/4 equation: 



-7=-3+u/4

We move all terms to the left:

-7-(-3+u/4)=0

We add all the numbers together, and all the variables

-(u/4-3)-7=0

We get rid of parentheses

-u/4+3-7=0

We multiply all the terms by the denominator


-u+3*4-7*4=0

We add all the numbers together, and all the variables

-1u-16=0

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

-u=16

u=16/-1

u=-16

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