How do you solve for 2x+y=4

Steps:
1. Subtract 2x from each side
2. Y=-2x + 4
Your answer is y=-2x + 4

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.