Simplify the algebraic expression: 2x+3y+x−y2x + 3y + x - y2x+3y+x−y
3x+2y3x + 2y3x+2y
3x+4y3x + 4y3x+4y
2x+4y2x + 4y2x+4y
3x+3y3x + 3y3x+3y