4x+3=x+15 which statement correctly explains why this equation has only one solution? answer choices the equation is true only when x=4 . the equation is true for all the values of x . the equation is true for no values of x . the equation is true only when x=−4 .

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?