Question

VA ROOG AJUTATI-MA!! Aflati x stiind ca:

Answer 1

$3^7+3^8=3^7*x \\ 3^7(1+3)=3^7*x \\ 3^7*4=3^7*x \\ x=4$


$2^x+2^{x+1}=24 \\ 2^x(1+2)=24 \\ 2^x*3=24 \\ 2^x=8 \\ x=3$

Answer 2

x=......................................