12+3/5a=30

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Solution for 12+3/5a=30 equation: 



12+3/5a=30

We move all terms to the left:

12+3/5a-(30)=0



Domain of the equation: 5a!=0

a!=0/5

a!=0

a∈R



We add all the numbers together, and all the variables

3/5a-18=0

We multiply all the terms by the denominator


-18*5a+3=0

Wy multiply elements

-90a+3=0

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

-90a=-3

a=-3/-90

a=1/30

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