91
6
6+8=14
15b+2-13 = 13b+6-4b 15b-11 = 9b+6 15b-9b = 6+11 6b = 17 b =17/6 or 2 and 5/6
7+6
-13 + 6 + 3 = -4
6 + (-13) =6 - 13 = -7
98
17 + 13 + 12 + 12 + 6 + 9 = 69.
6 + 13 + 2 + 12 + 7 + 14 = 54
15+6 is 21. 13 + what is 21? 21 - 13 is 8 Eight
92 + 6 + 17 + 79 + 13 = 207! \(@^0^@)/o(* ̄▽ ̄*)ブヾ(^▽^*)))
-6 + f = 13 f = 13 + 6 f = 19
It is: 7+13-6+5 = 19
what is double 13
13
-13