X+5=-x-21

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Solution for X+5=-x-21 equation: 



X+5=-X-21

We move all terms to the left:

X+5-(-X-21)=0

We add all the numbers together, and all the variables

X-(-1X-21)+5=0

We get rid of parentheses

X+1X+21+5=0

We add all the numbers together, and all the variables

2X+26=0

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

2X=-26

X=-26/2

X=-13

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