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OpenStudy (cenaida):
Solve the following system of equations. x + y = 15 x – y = -19 A. (2, 17) B. (-2, -17) C. (-2, 17) D. (5, 5)
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OpenStudy (john_es):
Sum the equations as they are, \[2x=-4\Rightarrow x=-2\Rightarrow y=17\Rightarrow (-2,17)\]
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