Question

решите уровнение 3х-1/5 - х+2/3=2

Answer 1

3х - 1/5 - х + 2/3 = 2
3х - х = 2 + 1/5 - 2/3 = 2/1 + 1/5 - 2/3 = (30+3-10)/30 = 23/30
2х = 23/30
х = 23/30 : 2 = 23/30 : 2/1 = 23/30 * 1/2 = 23/60