(Одна целая 2/7х -1/2):2,5=5,2

Question

(Одна целая 2/7х -1/2):2,5=5,2

Answer 1

1х+2/7х-1/2=5.2×2.5
1 целая 2/7х-1/2=13
1 целая 2/7х=13+1/2
1 целая 2/7х=13.5
х=13.5:1 целая 2/7
х=10.5