X - 4 +6 -x
x - x = -2
0 = -2
No solution
If each shirt needs eight buttons you find out what times (×) Eight equals (=) 80
8×10=80
So Eight buttons per shirt
So together they made 10 shirts
but they ask how many Timor made so you do 10 ÷ 2= 5
Timor Made Five (5) Shirts
35r+12r =
47r is your answer:))