Question

реши уравнение х+4 2/11=7, 3 8/9+а=6 1/9

Answer 1

х+4 2/11=7
х=7-4 2/11
х=6 11/11 - 4 2/11
х=2 9/11

3 8/9+а=6 1/9
а=6 1/9- 3 8/9
а=5 10/9 - 3 8/9
а= 2 2/9