3rd one for today..please..
Simultaneous equation:
Solve for X and Y
Y + 2x = 5
y = 5 - 2x
This one got me!!
y+2x=5
and
y+2x=5
they are the same graph
so every point on the line y=-2x+5 is a solution.
Thanks again Melody!!..well, I realised they were the same, and ...that confused me...