12x+7x=345

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Solution for 12x+7x=345 equation: 



12x+7x=345

We move all terms to the left:

12x+7x-(345)=0

We add all the numbers together, and all the variables

19x-345=0

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

19x=345

x=345/19

x=18+3/19

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