12x+8x-12=28

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Solution for 12x+8x-12=28 equation: 



12x+8x-12=28

We move all terms to the left:

12x+8x-12-(28)=0

We add all the numbers together, and all the variables

20x-40=0

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

20x=40

x=40/20

x=2

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