Question

xy+yx=100,x and y not equal to 0

Answer 1

x = 5
y =10...........

Answer 2

xy + yx = 100

2xy = 100

xy = 50

therefore x = 1 , 2 , 5 , 10 , 50 or 25

y = 1 , 2 , 25 , 5 , 10 or 50