Question

Aflați nr natural x care verifica egalitatea (x-2^3):3^2=1^4

Answer 1

(x-2^3):3^2=1^4

(x-8×3):3^2=1

(x-24):3^2=1

$\frac{x miuns 24}{3 la puetera 2}$  =1

$\frac{x minus 24}{9}$  =1

x miuns 24=9

x=9 plus 24

x = 33