12/7y-13=-1

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Solution for 12/7y-13=-1 equation: 



12/7y-13=-1

We move all terms to the left:

12/7y-13-(-1)=0



Domain of the equation: 7y!=0

y!=0/7

y!=0

y∈R



We add all the numbers together, and all the variables

12/7y-12=0

We multiply all the terms by the denominator


-12*7y+12=0

Wy multiply elements

-84y+12=0

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

-84y=-12

y=-12/-84

y=1/7

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