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X+3y=7;2x+y=1 आलेख पध्दतीने सोडवा |
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Answer» x + 3y = 7 ------------------- ( 1 ) 2X + y = 1 ------------------- ( 2 ) MULTIPLY by 2 to eqñ ( 1 ) 2x + 6y = 14 -----------------( 3 ) By subtracting ( 2 ) and ( 3 ) 2x + y = 1 2x +6y= 14 —————— - - - —————— -5y = -152 y = 3 put y in eqñ ( 1 ) x + 3y = 7 x + 9 = 7 x = -2 |
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