Question

15/x + 20/y = 5 and 4/x - 20/y = 40. Find x and y

Answer 1

Step-by-step explanation:

(x,y)=(19/45,19/29).........................

Answer 2

Step-by-step explanation:

15/x+20/y=5

15/x=5y/20

x=y/20×15

x=y/300

4/x-20/y=40

x=y/300

4/y/300-20/y=40

1200/y-20/y=40

1180/y=40

y=1180/40

y=29.5

x=29.5/300

x=0.0983