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ii)3x-5y = 206x-10y = 40 |
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Answer» 3x - 5y = 20 and 6x - 10y =40 x = 20 + 5y /3 .............1 6x - 10y = 40 now put .........1 in 6x - 10y = 40 6(20+5y/3) - 10y =40 2(20+5y) - 10y = 40 40+10y - 10y =40 40 = 40 0 infinite many solutions |
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