Log 1/27 (7-4x)= -1/3

Question

Log 1/27 (7-4x)= -1/3

Answer 1

X^-n=1/x^n
27^(1/3)=3
log1/27 (7-4x)=log1/27 (3)
7-4x=3
4x=7-3=4
x=1

Comments

Благодарю)