adam scored x points. imran scored 3 points fewer than adam . shakeel scored twice as many points as imran. together they scored 39 points..... Write down in terms of x an expression for the number of points scored by shakeel.

Respuesta :

dam scored x points. 
Imran scored x-3 points. 
Shakeel scored 2(x-3) points. 

Together they scored 39 points: 
x + (x-3) + 2(x-3) = 39 
x = 12