-3=-8+u/4

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Solution for -3=-8+u/4 equation: 



-3=-8+u/4

We move all terms to the left:

-3-(-8+u/4)=0

We add all the numbers together, and all the variables

-(u/4-8)-3=0

We get rid of parentheses

-u/4+8-3=0

We multiply all the terms by the denominator


-u+8*4-3*4=0

We add all the numbers together, and all the variables

-1u+20=0

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

-u=-20

u=-20/-1

u=+20

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