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X+y=14 ; x-y=4 |
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Answer» x+y=14x-y=4y will cancel due to (+,-) sinThen, 2x=18x=9We put in the any equation 9+y=14y=5(x,y)=(9,5) respectively X = 9 , Y =5...... X+y=14.....eq(1)X-y=4.........eq(2)By adding both equation we get2x=18X=18/2 X=9 Putting the value of x in e(1) 9+y=14Y=14-9Y=5 |
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