Question

Решите пожалуйста
0,5^(3x-1) = 16^(-2)

Answer 1

$0,5^{3x-1} = 16^{-2} 2^{3x-1} = 256 2^{3x} = 512 2^{3x} = 2^9 3x = 9 x = 3$

Answer 2

0.5(3x-1)=16(-2)
1.5-0.5=-32
1.5x=-32+0.5
1.5x=-31.5
x=-31.5/1.5
x=21