21/3x + 1 1/2 = 1 2/3x + 2 1/3 смешанные числа

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

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