Question

25× _ 12 = 113 .resolvi a inequação

Answer 1

Seja 25ˣ⁻¹² = 113
(5²)ˣ⁻¹² = 113
5²ˣ ⁻ ²⁴ = 113

log5²ˣ⁻²⁴ = log113
(2x - 24)log5 = log113
2x - 24 = log113/log5
2x - 24 = 2,0531/0,6989
2x - 24 = 2,9376
2x = 24 + 2,9376
2x = 26,9376
x = 13,4688

x ≈ 13,5