15
12 + 15 + 63 + 12 + 24 + 34 + 23 + 15 = 198
-34 + 19 = -15
55 + 34 + 31 + 27 + 21 + 21 + 20 + 17 + 15 + 15 = 256
34
15 + 19 = 34
Its 91
14 plus 15 plus 2 plus 3 = 34
49
-7 7b + 15 = (-34) 7b = (-34) - 15 7b =(-49) b = (-49) / 7 b= (-7)
307 i think
24+24+34+34 = 116