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OpenStudy (anonymous):
Solve by the elimination method: x + y = 14 4x - y = 31
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jhonyy9 (jhonyy9):
assume it x+y=14 4x-y=31 ----------- 5x =45 x = 45/5 = 9 x=9 than y=14-9=5 x=9 y=5
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