-3 + 9= 6. 6 - 20=-14.
Therefore the answer is -14.
20 = 400
No! It equals 15, but 9-6=3.
48
12 + 16 + 18 + 20 + 9 = 75
7/20 + 3/9 = 41/60
-9 + 3 = -6
9 - - 6 + 20 = 35
-20 + 9x = -17-20 + 17 = -9x-3 = -9x |: (-9)0.333... = xx = 0.333...
96
9
-9 + 6 = -3.
42