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(v) Solve 99x + 101y = 499101x +99y = 501

Answer»

99x + 101y= 499 .......1101x + 99y = 501......2By subtracting 1 and 2101x + 99y = 501-99x - 101y =-499______________2x - 2y = 22 (x-y) = 2x-y =1_____3By adding 1 &2101x+99y=50199x+101y=499_________________

200x+200y = 1000200(x+y)=1000x+y = 5______4By adding 3 and 4x-y=1x+y=5_______2x=6x=3

x-y=13-y=1-y= -2y=2



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