Question

... is the solution of the equations 99x + 101y = 499 and 101x + 99y = 501 *
2 points

Answer 1

Answer:

ans... 99x+101y=499----(1)

101x+99y=501-----(2)

multiplying eq 1 by 99 and eq 2 by 101

9801x+9999y=49,401

10201x+9999y=50,601

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(-) (-) (-) sub (-)

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-400x= -1200

x=1200÷400

x=3

put x=3 value in eq 1

99x+101y=499

99x3+101y=499

297+101y=499

101y=499-297

y=202

y=202÷101

y=2

solution : (3,2