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220x+.25x=402.50
We move all terms to the left:
220x+.25x-(402.50)=0
We add all the numbers together, and all the variables
220x+.25x-(402.5)=0
We add all the numbers together, and all the variables
220.25x-402.5=0
We move all terms containing x to the left, all other terms to the right
220.25x=402.5
x=402.5/220.25
x=1+81/97.8888888889
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