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9x-2y=-7 and 3x+5y=4 by elimination |
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Answer» Answer: 9x-2y=-7_____(1)×5 3x+5y=4_____(2)×2 45x-10y=-35 6x+10y=8 _________ 51x=27 x=27/51 x=9/17 from EQUATION (1) 9×9/17-2y=-7 81/7-2y=-7 -2y=-7-81/7 -2y=-49-81/7 -2y=-130/17 y=130/34 |
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