12x-3+x=5-4+8

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Solution for 12x-3+x=5-4+8 equation: 



12x-3+x=5-4+8

We move all terms to the left:

12x-3+x-(5-4+8)=0

We add all the numbers together, and all the variables

12x+x-3-9=0

We add all the numbers together, and all the variables

13x-12=0

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

13x=12

x=12/13

x=12/13

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