Question

−8y+9x=−5 8y+7x=−75 ​

Answer 1

Step-by-step explanation:

-8y+9x=-5 ...(1)

8y+7x=-75 ...(2)

Adding eqn 1 nd 2, ...we get

16x=-80

x=-5

Putting the value of x in eqn 1.

-8y+9×(-5)=-5

-8y=-5+45

y=40/-8=-5

Hence, x=-5, y=-5