Question

2/x +5/y=12
7/x-3/y=1​

Answer 1

Answer:

x=1, y=1/2

Step-by-step explanation:

7*2/x+7*5/y=7*12

2*7/x-2*3/y=2*1

14/x+35/y=84(1)

14/x-6/y=2(2)

35/y-(-6/y)=84-2

35/y+6/y=82

41 /y=82

41/82=y

1/2=y

14/x-6/y=2

14/x-6/1/2=2

14/x= 2+12/1

14/x= 14

14/14=x