3/7a=42

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Solution for 3/7a=42 equation: 



3/7a=42

We move all terms to the left:

3/7a-(42)=0



Domain of the equation: 7a!=0

a!=0/7

a!=0

a∈R



We multiply all the terms by the denominator


-42*7a+3=0

Wy multiply elements

-294a+3=0

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

-294a=-3

a=-3/-294

a=1/98

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