-3 + 3(-5k + 4) = 84
k = -5
2(1 + 5a) = 82
a = 8
243 = -8(1 - 4m) - 5
m = 8
82 = 2(1 + 5n)
n = 8
-3(4x + 2) - 7 = 85
x = 6
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