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20+55.45x=57.95
We move all terms to the left:
20+55.45x-(57.95)=0
We add all the numbers together, and all the variables
55.45x-37.95=0
We move all terms containing x to the left, all other terms to the right
55.45x=37.95
x=37.95/55.45
x=19.461538461538/28.435897435897
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