Question

Aflați numărul natural x,știind ca:
$\frac{x + 2}{9} = 1 \times \frac{2}{3}$

Repede​

Answer 1

Răspuns:

Explicație pas cu pas:

(x + 2)/9 = 2/3

x + 2 = 9*2/3 = 6

x = 6 - 2 = 4

Answer 2

$\frac{x+2}{9} =1*\frac{2}{3} \\\\\frac{x+2}{9} =\frac{2}{3}$   (inmultim in diagonala)

$3(x+2)=2*9\\3x+6=18\\3x=18-6\\3x=12\\x=12:3\\x=4$