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12x+42=276.
We move all terms to the left:
12x+42-(276.)=0
We add all the numbers together, and all the variables
12x+42-276=0
We add all the numbers together, and all the variables
12x-234=0
We move all terms containing x to the left, all other terms to the right
12x=234
x=234/12
x=19+1/2
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