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OpenStudy (anonymous):
5x-7y=-3 -7x+5y=-15
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OpenStudy (anonymous):
i came up with x=5 y=4
OpenStudy (anonymous):
-7(5x-7y=-3) -5(-7x+5y=-15) -35x+49y=21 35x-25y=75 -35x+49y=21 35x-25y=75 24y=96 y=3 5x-21=-3 5x=18 x=18/5 (18/5,3)
OpenStudy (anonymous):
actualyl you're right, i messed up somewhere, but i'm getting tired, haha, sorry
OpenStudy (anonymous):
Thank you.....I'm 22 years rusty
OpenStudy (anonymous):
haha, no problem, you did better than I did, lol
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OpenStudy (allyson):
how do you do 5x+7y=3 in form of y=mx+b
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