Answer:
n in (-oo:+oo)
5.4 = n/(-0.9) // - n/(-0.9)
5.4-(n/(-0.9)) = 0
1.11111111*n+5.4 = 0
1.11111111*n+5.4 = 0 // - 5.4
1.11111111*n = -5.4 // : 1.11111111
n = -5.4/1.11111111
n = -4.86
Explanation:
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