( X-3 13/21)+ 2 10/21= 7 2/21

Question

( X-3 13/21)+ 2 10/21= 7 2/21

Answer 1

( X-3 13/21)+ 2 10/21= 7 2/21
X-3 13/21+ 2 10/21= 7 2/21 
X- 1 3/21= 7 2/21
х=8 5/21