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OpenStudy (anonymous):
1. What is the value of “y” in the following system of equations? x + y + z = 75 ; -2x + y – z = -15
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OpenStudy (anonymous):
you ill have to assume that z is some number k
OpenStudy (anonymous):
|dw:1368431710988:dw| if z is function answer is x/30
OpenStudy (anonymous):
but if as parameter the answer is:
OpenStudy (anonymous):
|dw:1368432028381:dw|
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