2/5a+40=400

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Solution for 2/5a+40=400 equation: 



2/5a+40=400

We move all terms to the left:

2/5a+40-(400)=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-360=0

We multiply all the terms by the denominator


-360*5a+2=0

Wy multiply elements

-1800a+2=0

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

-1800a=-2

a=-2/-1800

a=1/900

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