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x+y=5and2x_3y=4 |
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Answer» 2x+2y= 10 (by multiplying by 2 both side in eqn (1)) x+y=5 ........... (i)2x_3y=4 ........... (ii)now ,We use elimination method to solve itSo,multiply by 3 in eqn (i)3x+3y=152x_3y=4 {adding both eqn}...............5x =19x =19 5now,Put the value of x in eqn (i)x+y=519+y=5 519+5y=255y=25_195y= 6y= 6 5 Hence x=19 5And y = 6 5 |
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