решите уравнения 1/7x +3/14- x=19 1/6x + 5/12x=8 целых 4/10

1/7x +3/14- x=19-6/7x+3/14=19-6/7x=19-3/14-6/7x=18 11/14x=18 11/14*(-7/6)x=263/14*(-7/6)x=-263/12x=-21 11/121/6x + 5/12x=8 целых 4/102/12x+5/12x=8 2/57/12x=8 2/5x=42/5*12/7x=72/5x=14 2/5