42=7/8a

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Solution for 42=7/8a equation: 



42=7/8a

We move all terms to the left:

42-(7/8a)=0



Domain of the equation: 8a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+7/8a)+42=0

We get rid of parentheses

-7/8a+42=0

We multiply all the terms by the denominator


42*8a-7=0

Wy multiply elements

336a-7=0

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

336a=7

a=7/336

a=1/48

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