Real numbers x and y satisfy
x + xy = 250y
x - xy = -240y
Enter all possible values of y, separated by commas.
Real numbers x and y satisfyx + xy = 250yx - xy = -240y
My attempt:
(1):x+xy=250y(2):x−xy=−240y(1)+(2):2x=10y|:2x=5yory=x5xy=5(1):x+xy=250y|:yxy+x=2505+x=250x=245y=x5y=2455y=49