7/a-12=-2

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Solution for 7/a-12=-2 equation: 



7/a-12=-2

We move all terms to the left:

7/a-12-(-2)=0



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

7/a-10=0

We multiply all the terms by the denominator


-10*a+7=0

We add all the numbers together, and all the variables

-10a+7=0

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

-10a=-7

a=-7/-10

a=7/10

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