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$420 for 15 tickets
answered
Nov 25, 2016
Mathematics
middle-school
1
vote
61.0k
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The first equation of the system is multiplied by 4. By what number would you multiply the second equation in order to eliminate the x variable by adding? 3x-2y=4 4x+5y=28
answered
Mar 14, 2015
Mathematics
high-school
6
votes
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