на фото
(2х + 1) : 3 + 2 = (3х - 2) : 2 + (х + 1) : 3
(2/3)х + 1/3 + 2 = (3/2)х - 1 + (1/3)х + 1/3
(2/3)х - (3/2)х - (1/3)х = -1 + 1/3 - 1/3 - 2
(4/6)х - (9/6)х - (2/6)х = -3
-(7/6)х = -3
х = -3 : (-7/6) (-) : (-) = (+)
х = 3 · 6/7
х = 18/7
х = 2 целых 4/7
