12x+-4=3x+-31

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Solution for 12x+-4=3x+-31 equation: 



12x+-4=3x+-31

We move all terms to the left:

12x+-4-(3x+-31)=0

We add all the numbers together, and all the variables

12x-(3x-31)-4+=0

We add all the numbers together, and all the variables

12x-(3x-31)=0

We get rid of parentheses

12x-3x+31=0

We add all the numbers together, and all the variables

9x+31=0

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

9x=-31

x=-31/9

x=-3+4/9

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