-109+3x=-4x+31

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Solution for -109+3x=-4x+31 equation: 



-109+3x=-4x+31

We move all terms to the left:

-109+3x-(-4x+31)=0

We get rid of parentheses

3x+4x-31-109=0

We add all the numbers together, and all the variables

7x-140=0

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

7x=140

x=140/7

x=20

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