5x+12+15-x=2x+31

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Solution for 5x+12+15-x=2x+31 equation: 



5x+12+15-x=2x+31

We move all terms to the left:

5x+12+15-x-(2x+31)=0

We add all the numbers together, and all the variables

4x-(2x+31)+27=0

We get rid of parentheses

4x-2x-31+27=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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