42/2aa=7

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Solution for 42/2aa=7 equation: 



42/2aa=7

We move all terms to the left:

42/2aa-(7)=0



Domain of the equation: 2aa!=0

a!=0/1

a!=0

a∈R



We multiply all the terms by the denominator


-7*2aa+42=0

Wy multiply elements

-14a+42=0

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

-14a=-42

a=-42/-14

a=+3

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