40=40*2a/20+a

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Solution for 40=40*2a/20+a equation: 



40=40*2a/20+a

We move all terms to the left:

40-(40*2a/20+a)=0



Domain of the equation: 20+a)!=0

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

a)!=-20

a!=-20/1

a!=-20

a∈R



We add all the numbers together, and all the variables

-(+a+40*2a/20)+40=0

We get rid of parentheses

-a-40*2a/20+40=0

We multiply all the terms by the denominator


-a*20-40*2a+40*20=0

We add all the numbers together, and all the variables

-a*20-40*2a+800=0

Wy multiply elements

-20a-80a+800=0

We add all the numbers together, and all the variables

-100a+800=0

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

-100a=-800

a=-800/-100

a=+8

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