-5/2u=20

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Solution for -5/2u=20 equation: 



-5/2u=20

We move all terms to the left:

-5/2u-(20)=0



Domain of the equation: 2u!=0

u!=0/2

u!=0

u∈R



We multiply all the terms by the denominator


-20*2u-5=0

Wy multiply elements

-40u-5=0

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

-40u=5

u=5/-40

u=-1/8

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