1=-20+3x

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Solution for 1=-20+3x equation: 



1=-20+3x

We move all terms to the left:

1-(-20+3x)=0

We add all the numbers together, and all the variables

-(3x-20)+1=0

We get rid of parentheses

-3x+20+1=0

We add all the numbers together, and all the variables

-3x+21=0

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

-3x=-21

x=-21/-3

x=+7

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