2x+18+2x-4=55-4x+31

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Solution for 2x+18+2x-4=55-4x+31 equation: 



2x+18+2x-4=55-4x+31

We move all terms to the left:

2x+18+2x-4-(55-4x+31)=0

We add all the numbers together, and all the variables

2x+2x-(-4x+86)+18-4=0

We add all the numbers together, and all the variables

4x-(-4x+86)+14=0

We get rid of parentheses

4x+4x-86+14=0

We add all the numbers together, and all the variables

8x-72=0

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

8x=72

x=72/8

x=9

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