9+3x=-8x+31

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Solution for 9+3x=-8x+31 equation: 



9+3x=-8x+31

We move all terms to the left:

9+3x-(-8x+31)=0

We get rid of parentheses

3x+8x-31+9=0

We add all the numbers together, and all the variables

11x-22=0

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

11x=22

x=22/11

x=2

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