2=1+a/20

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Solution for 2=1+a/20 equation: 



2=1+a/20

We move all terms to the left:

2-(1+a/20)=0

We add all the numbers together, and all the variables

-(a/20+1)+2=0

We get rid of parentheses

-a/20-1+2=0

We multiply all the terms by the denominator


-a-1*20+2*20=0

We add all the numbers together, and all the variables

-1a+20=0

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

-a=-20

a=-20/-1

a=+20

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