How does the parametric form help solve qx + rx = s for x ?

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?

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

With alll of except for the 2 that i did already