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OpenStudy (anonymous):
x + y = 12 x - y = 10 What is the value of the x-determinant for the system shown?
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OpenStudy (uri):
x + y = 12 x - y = 10 ======= 2x=22 x=11
OpenStudy (campbell_st):
just add the 2 equations together then solve for x, y will be eliminated then when you have x, substitute into either equation to find y
OpenStudy (uri):
+y -y will be cancelled.
OpenStudy (campbell_st):
lol... ambassadors giving answers....
OpenStudy (uri):
i explained...
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