Răspuns :
5 x + 9 + 3 × ( 2x -1) = 2x +24
5x +9 + 6x - 3 = 2x +24
11x +6 = 2x +24
11x- 2x = 24 - 6
9x = 18
x = 18 : 9 = 2
5x +9 + 6x - 3 = 2x +24
11x +6 = 2x +24
11x- 2x = 24 - 6
9x = 18
x = 18 : 9 = 2