4 целых 1/11+x 2 целых 3/11 = 7 целых 9/11

Question

4 целых 1/11+x 2 целых 3/11 = 7 целых 9/11

Answer 1

4 1/11х+2 3/11=7 9/11
4 1/11х=7 9/11-2 3/11
4 1/11х=5 6/11
х=5 6/11/4 1/11
х=1 16/45