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OpenStudy (anonymous):
Please help I've been on this forever. Make up a problem involving TWO VALUES that must be solved. Example I got from a classmate: 20c - 30d = 70 20c - 8d = -32 c = 10.46 d = 4.64 (10.46, 4.64)
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OpenStudy (anonymous):
mulltiply every number by 2 and you will get a new set of equations
OpenStudy (anonymous):
ie. 40c -60d = 140 40c - 6d = -64 now solve
OpenStudy (anonymous):
I dont kno what im suppose to do first :(
OpenStudy (anonymous):
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