Question

Решите уравнение
7^1-4x=1

Answer 1

7^(1-4x) = 1;
 7^(1-4x) = 7^0;
1 - 4x = 0;
- 4x = -1;
 x = 1/4= 0,25

Answer 2

$7^{1-4x}=1\7^{1-4x}=7^0\1-4x=0\4x=1\x=0,25$