Question

3la5•3la7:3 la8=9la x​

Answer 1

Răspuns:

x=2

Explicație pas cu pas:

[tex]3^{5}*3^{7}:3^{8}=3^{(5+7)}:3^{8}=3^{12}:3^{8}=3^{12-8}=3^{4}=(3^{2})^{2}=9^{2}\\ 9^{2}=9^{x} => x=2[/tex]