Question

4целых3/7 + x - 8целых5/7 = 9целых2/7

Answer 1

4 3/7+x-8 5/7=9 2/7;
x=9 2/7+8 5/7-4 3/7;
x=65/7+61/7-31/7;
x=126/7-31/7;
x=95/7=13 4/7.