Question 532313
x = 2-point shots
2x = points scored with 2-point shots
y = 3-point shots
3x = points scored with 3-point shots
.
x + y = 517
so
x = 517-y
.
2x + 3y = 1037
.
Substitute x = 517-y 
.
Solve for 'y' and then substitute the value of 'y' to find 'x'.