Find the equations of the system shown on the graphing calculator screen.10
-10
A. 3x - y = 9
5x + y = 7
B. x + y = 1
x - 3y = -9
C. 4x - y = -16
3x + y = -5
D. 5x + y = 7
x + 2y = -1
Answer: C
Mathematics
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