Question

решите уравнение 1/3x + 5/6x - 1 = 1 1/3

Answer 1

13x + 56x - 1 = 1 13
13x + 56x =26x + 56x = 76x= 1 16x
1 16x = 1 13 + 1
1 16 x = 2 13
x = 2 13 : 1 16
2 13 : 1 16 =73 : 76 = 73 x 67 =2
x = 2