Question

3. X= 2 and y=-1 is a solution of the linear equation:
a) x+2y=0 b) x + 2y = 4 c) 2x + y=0 d) 2x + y = 5

Answer 1

Answer:

A

Step-by-step explanation:

x+2y=0

put x=2 and y=-1 in L.H.S

(2)+2(-1)=0

2-2=0

0=0

Therefore L.H.S=R.H.S

so option A is correct