Question

99x + 101y = 499 xy
101x + 99x = 501 xy
Solve this pair of linear equation by substitution, elimination or cross multiplication method

Answer 1

Answer question is wrong! in the second eqation it will be 101x+99y=501xy

Step-by-step explanation

equation 1: 99x+101y=499xy

equation 2: 101x+99y=501xy

99x +101y+2xy= 101x+99y

=>99x-101x+2xy=99y-101y

=>-2x+2xy=-2y

=>(-2x+2xy+2y)=0

=>2(-x+xy+y)=0

=>(-x+xy+y)=1/2

Answer 2

Answer:

wrong answer because of thT