Question

2^x+1+2^x=12 (ecuatie exponentiala)

Answer 1

$2^{x+1}+2^x=12 \\ 2^x*2+2^x=12 \\ 2^x(2+1)=12 \\ 2^x=4 \\ 2^x=2^2$
x=2

Answer 2

Ai rezolvarea mai jos: