Помогите срочно Lg (2-5x)=1

Question

Помогите срочно
Lg (2-5x)=1

Answer 1

Log (10, (2 - 5x)) = 1
2 - 5x = 10^1
2 - 5x = 10
 5x = - 8
x = - 8/5
x = - 1,6