Question

Solve by elimanation method find 7/x+8/y=2

Answer 1

Answer:

Answer: x=-1/2 y=1/2

Step-by-step explanation:

7/x+8/y=2

7y+8x=2xy -----------1

2y+12x=20xy----------2

7(eq2) - 2(eq1)

14y+84x=140xy

- 14y+16x=4xy

= 68x=136xy

= y=1/2

substituting y value in equation 1

x=-1/2