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12x+2=10.28
We move all terms to the left:
12x+2-(10.28)=0
We add all the numbers together, and all the variables
12x-8.28=0
We move all terms containing x to the left, all other terms to the right
12x=8.28
x=8.28/12
x=1.9345794392523/2.803738317757
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