x+31=-4x+18

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Solution for x+31=-4x+18 equation: 



x+31=-4x+18

We move all terms to the left:

x+31-(-4x+18)=0

We get rid of parentheses

x+4x-18+31=0

We add all the numbers together, and all the variables

5x+13=0

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

5x=-13

x=-13/5

x=-2+3/5

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