5/a+7=12

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Solution for 5/a+7=12 equation: 



5/a+7=12

We move all terms to the left:

5/a+7-(12)=0



Domain of the equation: a!=0

a∈R



We add all the numbers together, and all the variables

5/a-5=0

We multiply all the terms by the denominator


-5*a+5=0

We add all the numbers together, and all the variables

-5a+5=0

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

-5a=-5

a=-5/-5

a=1

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