12x+31=5x+3

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Solution for 12x+31=5x+3 equation: 



12x+31=5x+3

We move all terms to the left:

12x+31-(5x+3)=0

We get rid of parentheses

12x-5x-3+31=0

We add all the numbers together, and all the variables

7x+28=0

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

7x=-28

x=-28/7

x=-4

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