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Wiki User
No it doesn't. If you look at the problem:
-91 = 9 + -18 and solve
-91 = -9
Those two are not the same thing, therefore the answer is "No solution" or "No real answer".
Yes it is 9+9=18
27
9 + 8 + 16 + 17 + 18 = 68
5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
y= -9
yes 9+91=100
18
18. 9 x 0 = 0 S0, 9 + 0 + 9 = 18
Equality
12 + 16 + 18 + 20 + 9 = 75
39 plus 52 equals 91.
18 - 9 - 3 + 5 = 1