12x+8x=20

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Solution for 12x+8x=20 equation: 



12x+8x=20

We move all terms to the left:

12x+8x-(20)=0

We add all the numbers together, and all the variables

20x-20=0

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

20x=20

x=20/20

x=1

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