How can I find 2 equations with infinitely many solutions? Thanks

Answer 1

The two equations would have to reduce to one same equation.
e.g.
2x + 3y = 8
4x + 6y = 16

notice the 2nd is twice the first.

Answer 2

Thank you

Answer 3

So for y= 4-2x will be 2y=8-2x?