Question

x-2y=4 (0,-2) check​

Answer 1

Answer :

x-2y = 4

(0,-2) means x=0 and y = - 2

Substituting the values,

LHS = 0-2(-2) = 2×2 = 4

RHS = 4

Therefore it is correct

Answer 2

Answer:

x-2y=0

put x and y

x=0 , y=(-2)

0-2(-2)=4

0+4=4

4=4

hope it helps u dear...