Sagot :

Salut !!

8-3(x+2) = 9

8 - 3x -6 = 9

-3x = 9-8+6

-3x = 7

x = -7/3

8-3(X+2)=9

8-(3×X)+(3×2)=9

8-3X+6=9

-3X+6=9-6

-3X=1+6

-3X=7

-3X/-3=7/-3

X=-7/3