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265.65+85x=648.45
We move all terms to the left:
265.65+85x-(648.45)=0
We add all the numbers together, and all the variables
85x-382.8=0
We move all terms containing x to the left, all other terms to the right
85x=382.8
x=382.8/85
x=4+23.777777777778/47.222222222222
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