12x-8+7x=30

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Solution for 12x-8+7x=30 equation: 



12x-8+7x=30

We move all terms to the left:

12x-8+7x-(30)=0

We add all the numbers together, and all the variables

19x-38=0

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

19x=38

x=38/19

x=2

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