-1-2x=-5x+20

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Solution for -1-2x=-5x+20 equation: 



-1-2x=-5x+20

We move all terms to the left:

-1-2x-(-5x+20)=0

We get rid of parentheses

-2x+5x-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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