18 + 16 = 34
12 + 16 + 18 + 20 + 9 = 75
9 + 8 + 16 + 17 + 18 = 68
-a + 2 = 18 - 2 = - 2 --------------- - a = 16 a = - 16
2+14=16
(7)-(-3)+(16)-(8) = 18
1
U can subtract 18 from each side of the equation.
25-7=18 18/3=6
16
Well, darling, the answer to your little math puzzle is 13 plus 18. You see, 13 + 18 does indeed equal 31, and when you multiply them, you get 234. It's simple math, really. Now go impress your friends with your newfound knowledge.
-86