Question

99x+101y=499, 101x+99y=501​

Answer 1

Answer:

consider 99x+101y=499

101x+99y=501.

980

4.0

_(1)

(2)

multiplying equation (1) by-101 we get -9999x-10201y=-50,399_

multiplying equation (2) by 99 9999x+9801y=49,599_

adding (3) and (4) we get

-400y=-800

y=2

substituting y=2 in equation (1) we get 99x+202=499

99x=499-202

99x=297

x=297/99

x=3

check

99(3)+101(2)=297+202=499

Answer 2

Answer:

x=3

y=2

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