-2/5u=-4

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Solution for -2/5u=-4 equation: 



-2/5u=-4

We move all terms to the left:

-2/5u-(-4)=0



Domain of the equation: 5u!=0

u!=0/5

u!=0

u∈R



We add all the numbers together, and all the variables

-2/5u+4=0

We multiply all the terms by the denominator


4*5u-2=0

Wy multiply elements

20u-2=0

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

20u=2

u=2/20

u=1/10

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