Question

Answer this maths puzzle

Answer 1

Answer:

Option 3

Step-by-step explanation:

In second equation

y=x-4

y + 4=x

So according to the option option three is right

Answer 2

Answer:

option 3 is correct

in the second equation given

y=x-4

x=y+4

if we take y=2 then x=6

and in the third equation too putting

y=2 we get x= -2 or 4

t

The third equation is not possible to solve because it has three variables