Question

27. If 2x + y = 23 and 4x - y = 19, find the value of (5y - 2x) and(y/x-2
:19
OR​

Answer 1

Answer:

6x=23+79

6x=102

x=102/6

x=17

2*17-y=23

34-23=y

y=11

5*11-2*17=55-34=21=5y-2x

y/x-2=11/17)-2=11-34/17=23/17