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30x+5.50=8x
We move all terms to the left:
30x+5.50-(8x)=0
We add all the numbers together, and all the variables
22x+5.5=0
We move all terms containing x to the left, all other terms to the right
22x=-5.5
x=-5.5/22
x=-3.6666666666667/14.666666666667
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