12x+x+12=78

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Solution for 12x+x+12=78 equation: 



12x+x+12=78

We move all terms to the left:

12x+x+12-(78)=0

We add all the numbers together, and all the variables

13x-66=0

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

13x=66

x=66/13

x=5+1/13

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