-9=(-3/4u)

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Solution for -9=(-3/4u) equation: 



-9=(-3/4u)

We move all terms to the left:

-9-((-3/4u))=0



Domain of the equation: 4u))!=0

u!=0/1

u!=0

u∈R



We multiply all the terms by the denominator


-((-3-9*4u))=0



We calculate terms in parentheses: -((-3-9*4u)), so:

(-3-9*4u)

We add all the numbers together, and all the variables

(-9*4u-3)

We get rid of parentheses

-9*4u-3

Wy multiply elements

-36u-3

Back to the equation:

-(-36u-3)



We get rid of parentheses

36u+3=0

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

36u=-3

u=-3/36

u=-1/12

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