-4/a=9

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Solution for -4/a=9 equation: 



-4/a=9

We move all terms to the left:

-4/a-(9)=0



Domain of the equation: a!=0

a∈R



We multiply all the terms by the denominator


-9*a-4=0

We add all the numbers together, and all the variables

-9a-4=0

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

-9a=4

a=4/-9

a=-4/9

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