Question

Aflati x din :a)2•(x-2)=10,b)4^x+1=16 va rog dau coroana

Answer 1

   
[tex]\displaystyle \\ a) \\ 2(x-2)=10 \\ 2x-4=10 \\ 2x = 10+4 \\ 2x = 14 \\ \\ x = \frac{14}{2}=\boxed{7} \\ \\ \\ b) \\ 4^{x+1}=16 \\ 4^{x+1}=4^2 \\ x+1 = 2 \\ x=2-1 = \boxed{1} [/tex]