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75x4 = 60n
300 = 60n
5 = n
2. (17-n)12 = 15x3 +27
204-12n = 45+27
204-12n = 72
204-72 = 12n
132 =12n
11 =n
75 : n = 1/4
75 x 4 = 1 x n
300 = n
n = 300
2. (17 - n) 12 = (15 x 3 ) + 27
204 - 12n = 45 + 27
- 12n = 72 - 204
-12n = -132
n = -132/-12
n = 11
n =11