Question

If 4x + y = 34 ; x + 4y = 16 then what is the value of x - y ? *​

Answer 1

Step-by-step explanation:

4x+y=34

x+4y=16

now take any one and take the dupliket value of x

Answer 2

Answer:

6

Step-by-step explanation:

4x + y = 34----------1

x + 4y = 16

x= 16-4y----------2

from 1 and 2

4 (16-4y) +y =34

64-16y+y=34

-15y= -30

y= 2

x= 16-4(2) =16-8 = 8

x-y = 8-2= 6