because: -1(4x + 1y) +2 (1x-3y) distribute each number into the parenthesis.
then you would get: -4x - 1y + 2x -6y combine like terms
and get: 2x -7y
hope my answer has you if not then i'm sorry.
the first dot plot best represents the data
plzplzplzplz mark brainliest and have a good day