Question

Решите уравнение:
13/4x-33/7=31/12x-45/14

Answer 1

13/4x-31/12x=33/7-45/14
39/12x-31/12x=66/14-45/14
8/12x=21/14
x=21/14:8/12=21/14*12/8
x=9/4
x=2 1/4