n + 18 = 27
subtract 18 to 18 and 27
18-27=9
n = 9
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27
The sum of -27 and 45 is 18.
3n = 15 + 12 = 27, 27/3 = 9 = n
-17h + 27 = 20h so 27 = 20h + 17h = 37h Then h = 27/37 = 0.7297 approx.
No. 18/27 is equal to 2/3 1/9 is equal to 3/27 18/27 is equal to 6/9