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7X+Y=5 2X+4Y=-6 Please answer me step by step.(otherwise please don't answer) |
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Answer» Step-by-step explanation: 7x+y=5 (2) 14x+28=42 14x+2y=10 (-) (-) (-) 26y=32 y=32-26=6 put EQUATION 1 or 2 2x+4(6) =-6 2x+24=-6 2x=-6-24=30 x = 15 |
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