2 1/3x + 1 1/2 = 1 2/3x + 2 1/3
смешанные числа

2 1/3 х+1 1/2 = 1 2/3 х +2 1/32 1/3 х - 1 2/3 х=2 1/3 - 1 1/2(7/3 -5/3)х=7/3 -3/22/3 х=7*2/3*2 -3*3/3*22/3 х=14/6 -9/62/3 х=5/6х=5/6 : 2/3х=5/6 *3/2х=5/4х=1 1/4

2 1/3х + 1 1/2 = 1 2/3х + 2 1/37/3х - 5/3х = 7/3 - 3/22/3х = 14/6 - 9/62/3х = 5/6х = 5/6 : 2/3х = 5/4 = 1 1/4