Question

Помогите решить!!!
2^(x+3) + 3•2^(x-1) = 38.

Answer 1

2^(x+3) + 3•2^(x-1) = 38

(2⁴+3)×2^х-1=38

(16+3)×2^х-1=38

19×2^х-1=38

2^х-1=2

2^х-1=2¹

х-1=1

х=1+1

х=2