Question

2x=y two solutions linear equations in two variables

Answer 1

if we take x as 1 then

2x=y
2×1=y
2=y
y=2

if we take x as 2 then

2x=y
2×2=y
4=y
y=4

hence when x as 1 then y value is 2 and when x as 2 then y value is 4.

Answer 2

x=1
2×1=y
x= 2
2×2=y
x=3
2×3=y