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8.25x+12.38+x=385.71
We move all terms to the left:
8.25x+12.38+x-(385.71)=0
We add all the numbers together, and all the variables
9.25x-373.33=0
We move all terms containing x to the left, all other terms to the right
9.25x=373.33
x=373.33/9.25
x=40+1/2.77777777778
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