-15=3/8u

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Solution for -15=3/8u equation: 



-15=3/8u

We move all terms to the left:

-15-(3/8u)=0



Domain of the equation: 8u)!=0

u!=0/1

u!=0

u∈R



We add all the numbers together, and all the variables

-(+3/8u)-15=0

We get rid of parentheses

-3/8u-15=0

We multiply all the terms by the denominator


-15*8u-3=0

Wy multiply elements

-120u-3=0

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

-120u=3

u=3/-120

u=-1/40

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