-7/8y=-21

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Solution for -7/8y=-21 equation: 



-7/8y=-21

We move all terms to the left:

-7/8y-(-21)=0



Domain of the equation: 8y!=0

y!=0/8

y!=0

y∈R



We add all the numbers together, and all the variables

-7/8y+21=0

We multiply all the terms by the denominator


21*8y-7=0

Wy multiply elements

168y-7=0

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

168y=7

y=7/168

y=1/24

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