Math linear equation

Question

A player scores 98 pts in a single game. He makes 64 baskets, consisting of field goals (2pts each) and foul shots (1 pt each). How many field goals and foul shots did he make?

Answer 1

G + S = 64

2G +S = 98

2G-G = G = 98-64 = 34 field goals

S = 64-34 = 30 foul shots