2/5y-1=7

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Solution for 2/5y-1=7 equation: 



2/5y-1=7

We move all terms to the left:

2/5y-1-(7)=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-8=0

We multiply all the terms by the denominator


-8*5y+2=0

Wy multiply elements

-40y+2=0

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

-40y=-2

y=-2/-40

y=1/20

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