(x+2)×9=12×6 va roog​

Răspuns :

( x + 2 ) × 9 = 12 × 6

( x + 2 ) × 9 = 72

x + 2 = 72 : 9

x + 2 = 8

x = 8 - 2

x = 6

9x+18=72

9x=72-18

9x=54

x=54:9

x=6