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.20x+0.15(50)=24.5
We move all terms to the left:
.20x+0.15(50)-(24.5)=0
We add all the numbers together, and all the variables
.20x-24.345=0
We move all terms containing x to the left, all other terms to the right
.20x=24.345
x=24.345/.20
x=121+0.145/.20
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