3x + 2y = 6
No.1 Substitute 0 for x and solve for y. Complete the ordered pair.
No.2 Substitute 2 for x and solve for y. Complete the ordered pair.
No.3 Substitute 4 for x and solve for y. Complete the ordered pair.
It's that simple...nothing COMPLEX!
You don't have to do ANYTHING else, unless you love to do UNNECESSARY work. IGNORE what others might tell you.