-2=-1+x/20

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Solution for -2=-1+x/20 equation: 



-2=-1+x/20

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(x/20-1)-2=0

We get rid of parentheses

-x/20+1-2=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-1x-20=0

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

-x=20

x=20/-1

x=-20

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