X+1=-2x-20

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



X+1=-2X-20

We move all terms to the left:

X+1-(-2X-20)=0

We get rid of parentheses

X+2X+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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