Помогите пожалуста Решите уравнения 2/7 x=1 1 5/8 x=1 7/15 x=1
1) 2/7 x = 1 x = 1 / 2/7 = 7/2 = 3.5 2) 1 5/8 x = 1 1 5/8 = 13/8 x = 1 / 13/8 = 8/13 3) 7/15 x = 1 x = 1 / 7/15 = 15/7 = 2 1/7