Question

3la puterea 3 -x=12/ cât este x??? ​

Answer 1

Răspuns:

$\\3^{3}-x=12\\27-x=12\\x=27-12\\x=15$

Answer 2

${3}^{3} - x = 12 \\ 27 - x = 12 \\ - x = 12 - 27 \\ - x = - 15 \\ x = 15$