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Solve: 2x-3y=21 and -6x+2y=7 PLEASE HELP

Solve: 2x-3y=21 and -6x+2y=7 PLEASE HELP
asked 40.1k views
2 votes
Solve: 2x-3y=21 and -6x+2y=7 PLEASE HELP

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User Bjorn Svensson
by
7.7k points

2 Answers

7 votes

y= 10

2x-3y=21

2x=21+3y

x= (21/2 +3/2 y)


-6(21/2+3/2y)+2y=7

126/2+18/2y+2y=7


sorry I need to leave now




answered
User Ccook
by
8.5k points
2 votes
the first one is : x=3/2y+21/2
the second one is: x=1/3y+−7/6
answered
User Pepito Fernandez
by
8.5k points
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