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{5 + 30 + 42 + 8x + 27 + 10} = 7,3(x + 16)
114 + 8x = 7,3x + 116,8
8x - 7,3x = 116,8 - 114
0,7x = 2,8
x = 2,8/0,7
x = 4
n = x + 16
n = 4 + 16
n = 20