Question

Solving systems by elimination
Explain why it has no solution:
x+2y=8
x+2y=20

Answer 1

It has no solution because it has the same slope. So, that means they are parallel lines.

Answer 2

Both x and y are equal, so you can’t eliminate either to find what one of the letters are equal to. As x + 2y = x + 2y, it implies that 8 = 20, meaning there is no solution^^ Hope that makes sense, lol