Question

hello guys...can u answer this question??​

Answer 1

Answer:

x=3 and y=2

Step-by-step explanation:

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Answer 2

Answer: x=3 y=2

Step-by-step explanation:

$99x +101y = 499$     ............(1)

$101x+99y = 501$     ............(2)

Add (1)+(2)

$(99+101)x +(101+99)y = 499+501\\200x +200y = 1000\\x+y = 1000/200\\x+y = 5$.....(3)

Subract (2)-(1)

$(101-99)x+(99-101)y = 501-499\\2x-2y=2\\x-y=1$....(4)

Solve (3) and (4):

Adding (3) and (4), we get,

$2x=6\\x=3$

putting this value in (3),

$3+y=5\\y=5-3\\y=2$