Question

X log 1/16 = -4
X log 8 = 3
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Answer 1

X pangkat-4 = 1/16
1/Xpangkat 4 = 1/16
X = 2

X pangkat 3 = 8
X = 2

Answer 2

X'log 1/16 = - 4
1/16 = x^(-4)
2⁻⁴ = x^(- 4)
x = 2

x'log 8 = 3
8 = x³
2³ = x³
x = 2