Question

Решите уравнение: 2 1/7x - 3 9/14x+x= -3

Answer 1

 1//7x-3 9//14x+x=-3

15//7x-51//14x+x+3=0

-1.5x+x+3=0

-0.5x+3=0

x=3/0.5

x=6

 

// - черта дроби