x+3=-x-8

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Solution for x+3=-x-8 equation: 



x+3=-x-8

We move all terms to the left:

x+3-(-x-8)=0

We add all the numbers together, and all the variables

x-(-1x-8)+3=0

We get rid of parentheses

x+1x+8+3=0

We add all the numbers together, and all the variables

2x+11=0

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

2x=-11

x=-11/2

x=-5+1/2

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