-42/3a=28

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Solution for -42/3a=28 equation: 



-42/3a=28

We move all terms to the left:

-42/3a-(28)=0



Domain of the equation: 3a!=0

a!=0/3

a!=0

a∈R



We multiply all the terms by the denominator


-28*3a-42=0

Wy multiply elements

-84a-42=0

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

-84a=42

a=42/-84

a=-1/2

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