Решите уравнения (5 1/7+х)-6 2/3=1 17/21

Question

Решите уравнения (5 1/7+х)-6 2/3=1 17/21

Answer 1

(5 1/7+х)-6 2/3=1 17/21
5 1/7+х=1 17/21 +6 2/3
х=1 17/21 +6  14/21 -5 1/7
х=7 31/21 - 5 3/21
х= 2 28/21
х=3 7/21
х=3 1/3