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Mathematics 15 Online
OpenStudy (anonymous):

Solve by substitution: 1. 3x-2y=7 x+3y=-5 2. -2x+y=0 5x+3y=-11 3. 1/2x+1/3y=5 1/4+y=10

OpenStudy (neonumbrella5115):

What do you think the answer to #1 is?

OpenStudy (anonymous):

I thought I could plug x+3y=-5 in for something in the top problem but.. it didn't work.

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