breannaasmith1122
30.03.2020 •
Mathematics
Michael bought a car for $17,500 after a discount of 30%. What was the original price of the item Michael bought? *
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Ответ:
x= 12 - y, 2x + 3y = 29
Substitute x=12-y:
[2(12-y)+3y=29]
Isolate y for 2(12-y)+3y=29:
2(12-y)+3y=29= y= 5
Substitute y=5:
x=12-5
12-5= 7
x=7
Your Answer Is (C) x=7, y=5
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