Question 707058
let x mean how many two-point shots
let y mean how many one-point free throw 


x+y=25 accounts only for how many scorings this player made
x*2+y*1=48 accounts for number of points scored


System to solve:
2x+y=48
x+y=25


Subtract second from first,
x+0=48-25
x=23
....y=2