1/20a-5=-4

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Solution for 1/20a-5=-4 equation: 



1/20a-5=-4

We move all terms to the left:

1/20a-5-(-4)=0



Domain of the equation: 20a!=0

a!=0/20

a!=0

a∈R



We add all the numbers together, and all the variables

1/20a-1=0

We multiply all the terms by the denominator


-1*20a+1=0

Wy multiply elements

-20a+1=0

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

-20a=-1

a=-1/-20

a=1/20

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