Question

Не могли бы вы помочь?

Answer 1

( 5/9 ) ¹²ˣ⁺³ = ( 9/5 ) ³ˣ⁺²⁷

( 5/9 ) ¹²ˣ⁺³ = ( 5/9 ) ⁻⁽³ˣ⁺²⁷⁾

( 5/9 ) ¹²ˣ⁺³ = ( 5/9 ) ⁻³ˣ⁻²⁷

12x + 3 = - 3x - 27

12x + 3x = - 27 - 3

15x = - 30

x = - 2