-7/5y=21

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Solution for -7/5y=21 equation: 



-7/5y=21

We move all terms to the left:

-7/5y-(21)=0



Domain of the equation: 5y!=0

y!=0/5

y!=0

y∈R



We multiply all the terms by the denominator


-21*5y-7=0

Wy multiply elements

-105y-7=0

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

-105y=7

y=7/-105

y=-1/15

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