Question

X + 2y = 4
4x + 8y = 64
find how many solutions there is

Answer 1

Explanation:

Multiply the top equation by 4

4x + 8y = 16

now both equations have the same left hand side

4x + 8y

but one equals 16 the other 64

( simultaneous equations )

Answer 2

No solutions

Explanation:

Multiply the top equation by 4

4x + 8y = 16

now both equations have the same left hand side

4x + 8y

but one equals 16 the other 64

Therefor: no solutions