Question 327358
let him score x field goals with 3 points
10-x is the goals he scored with 2 points
free throws 7 with 1 point
total points = 33
..
3x+2(10-x)+7=33
3x+20-2x+7=33
x+27=33
add -27 to both sides
x+27-27=33-27
x=6 goals with 3 points