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1.50(200-x)+250x=380
We move all terms to the left:
1.50(200-x)+250x-(380)=0
We add all the numbers together, and all the variables
1.50(-1x+200)+250x-380=0
We add all the numbers together, and all the variables
250x+1.50(-1x+200)-380=0
We multiply parentheses
250x-1.5x+300-380=0
We add all the numbers together, and all the variables
248.5x-80=0
We move all terms containing x to the left, all other terms to the right
248.5x=80
x=80/248.5
x=10/31.0625
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