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ZX + 3y = 9; 3x+4y=5 |
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Answer» 2x + 3y = 9 ......(1) 3x + 4y = 5 .......(2) 3 × (1) - 2 × (2) 6x + 9y = 27 6x + 8y = 10 So, we get y = 17 So, 2x + 51 = 9 2x = 9 - 51 = -42 x = -21 |
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