Question

$99x + 101y = 499 \: \: \: \: \: 101x + 99y = 501$
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Answer 1

Answer:

99x+101y=498...(1)

101+99y=501...(2)

adding an (1) and (2)

200x+200y=1000

or,x+y=5....(3)

sub(1) from(2), we get

2x-2y=2

or,x-y=1...(4)

adding (3)and (4) we get

2x= 6= x= 3

putting the value of x in (3) we get

• Y=2

Step-by-step explanation:

this is the definite answer