2/5a-9=4

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Solution for 2/5a-9=4 equation: 



2/5a-9=4

We move all terms to the left:

2/5a-9-(4)=0



Domain of the equation: 5a!=0

a!=0/5

a!=0

a∈R



We add all the numbers together, and all the variables

2/5a-13=0

We multiply all the terms by the denominator


-13*5a+2=0

Wy multiply elements

-65a+2=0

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

-65a=-2

a=-2/-65

a=2/65

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