-12/7s=9

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Solution for -12/7s=9 equation: 



-12/7s=9

We move all terms to the left:

-12/7s-(9)=0



Domain of the equation: 7s!=0

s!=0/7

s!=0

s∈R



We multiply all the terms by the denominator


-9*7s-12=0

Wy multiply elements

-63s-12=0

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

-63s=12

s=12/-63

s=-4/21

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