-4=u/9

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Solution for -4=u/9 equation: 



-4=u/9

We move all terms to the left:

-4-(u/9)=0

We add all the numbers together, and all the variables

-(+u/9)-4=0

We get rid of parentheses

-u/9-4=0

We multiply all the terms by the denominator


-u-4*9=0

We add all the numbers together, and all the variables

-1u-36=0

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

-u=36

u=36/-1

u=-36

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