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OpenStudy (anonymous):
The solution to the system x + y = k x - y = k is?
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OpenStudy (anonymous):
x+y=k--1 x-y=k--2 ---------- 2x=2k =>x=k now replace the value of x in equation 1 k+y=k =>y=k-k =>y=0
OpenStudy (anonymous):
Okay.
OpenStudy (anonymous):
I have 0= k-k....?
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