Question

check whether ( -2,5/2) is a solution of 5x-4y=20

Answer 1

Step-by-step explanation:

5x-4y=20

if x=-2

5(-2)4y=20

-10-4y-20=0

-4y=30

y=-15/2

if y=5/2

5x-10=20

x=6

Answer 2

Answer:

I don't know the answer