-2/5*y=-4

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Solution for -2/5*y=-4 equation: 



-2/5y=-4

We move all terms to the left:

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



Domain of the equation: 5y!=0

y!=0/5

y!=0

y∈R



We add all the numbers together, and all the variables

-2/5y+4=0

We multiply all the terms by the denominator


4*5y-2=0

Wy multiply elements

20y-2=0

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

20y=2

y=2/20

y=1/10

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