Question

решить уравнение:8:х+1 3/7=4

Answer 1

8/х + 1 3/7 = 4
8/х + 10/7 = 4
8 + 10х/7 = 4х
56+10х = 28х
56 = 28х -10х
56 = 18х
х = 56 /18
х = 28/9 = 3 1/9