Решите 5 1/4x-2 2/3= 1 5/12

Question

Решите
5 1/4x-2 2/3= 1 5/12

Answer 1

5*1/4x - 2*2/3=1*5/12
5/4x - 4/3=5/12
5/4x=5/12+4/3
5/4x=7/4
20=28x
28x=20
x=5/7