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OpenStudy (anonymous):
solve the following system x-y=10 and x+y=8
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OpenStudy (anonymous):
Multiple solutions.. any other info or directions?
OpenStudy (hoblos):
x-y=10 x+y=8 add the two equations 2x = 18 x=9 x+y=8 9+y=8 so y=-1
OpenStudy (anonymous):
Thanks!!!!
OpenStudy (hoblos):
u r welcome XD
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