12x-7-2-5x=31

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Solution for 12x-7-2-5x=31 equation: 



12x-7-2-5x=31

We move all terms to the left:

12x-7-2-5x-(31)=0

We add all the numbers together, and all the variables

7x-40=0

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

7x=40

x=40/7

x=5+5/7

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