X+21+2x=1-2x-8

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Solution for X+21+2x=1-2x-8 equation: 



X+21+2X=1-2X-8

We move all terms to the left:

X+21+2X-(1-2X-8)=0

We add all the numbers together, and all the variables

X+2X-(-2X-7)+21=0

We add all the numbers together, and all the variables

3X-(-2X-7)+21=0

We get rid of parentheses

3X+2X+7+21=0

We add all the numbers together, and all the variables

5X+28=0

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

5X=-28

X=-28/5

X=-5+3/5

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