-3=u/4

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Solution for -3=u/4 equation: 



-3=u/4

We move all terms to the left:

-3-(u/4)=0

We add all the numbers together, and all the variables

-(+u/4)-3=0

We get rid of parentheses

-u/4-3=0

We multiply all the terms by the denominator


-u-3*4=0

We add all the numbers together, and all the variables

-1u-12=0

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

-u=12

u=12/-1

u=-12

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