-7=1/3a

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Solution for -7=1/3a equation: 



-7=1/3a

We move all terms to the left:

-7-(1/3a)=0



Domain of the equation: 3a)!=0

a!=0/1

a!=0

a∈R



We add all the numbers together, and all the variables

-(+1/3a)-7=0

We get rid of parentheses

-1/3a-7=0

We multiply all the terms by the denominator


-7*3a-1=0

Wy multiply elements

-21a-1=0

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

-21a=1

a=1/-21

a=-1/21

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