12x+3=8x+31

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Solution for 12x+3=8x+31 equation: 



12x+3=8x+31

We move all terms to the left:

12x+3-(8x+31)=0

We get rid of parentheses

12x-8x-31+3=0

We add all the numbers together, and all the variables

4x-28=0

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

4x=28

x=28/4

x=7

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