Question

check which of the following are solution of the equation x-2y=4 and which are not
(i) (-1,1)​

Answer 1

Step-by-step explanation:

let x=-1, y=1

=-1-2(1)=4

=-1-2=4

=-3=4

=hence (-1,1) are the correct solutions

Answer 2

Answer: Let x= -1, y= 1

= -1-2(1)= 4

= -1-2= 4

= -3= 4

So the correct solution is (1,1)