42=7/3a

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Solution for 42=7/3a equation: 



42=7/3a

We move all terms to the left:

42-(7/3a)=0



Domain of the equation: 3a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+7/3a)+42=0

We get rid of parentheses

-7/3a+42=0

We multiply all the terms by the denominator


42*3a-7=0

Wy multiply elements

126a-7=0

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

126a=7

a=7/126

a=1/18

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