12x-31=2x+69

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Solution for 12x-31=2x+69 equation: 



12x-31=2x+69

We move all terms to the left:

12x-31-(2x+69)=0

We get rid of parentheses

12x-2x-69-31=0

We add all the numbers together, and all the variables

10x-100=0

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

10x=100

x=100/10

x=10

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