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Reese Lebsack

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โˆ™ 2021-03-01 15:12:41
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โˆ™ 2010-03-04 07:00:35

Given: X+Y=500 and X-Y=300

X=300+Y

(300+Y)+Y=500

300+2Y=500

2Y=200

Y=100

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Q: If X plus Y equals 500 and X-Y equals 300 what is Y?
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