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OpenStudy (anonymous):
solve by elimination x+y=15 x-y=-3
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OpenStudy (anonymous):
x+y=15 x-y=-3 2x = 12 /2 /2 x=6 6 + y = 15 -6 -6 y = 9 The answer is (6, 9)
OpenStudy (anonymous):
The answer is (6, 9)
OpenStudy (anonymous):
thanks guys
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