Решите уравнение:
17 8/25-(18-h)=7 18/25
1 21/70-7x/70+30/70=1 23/70

17 8/25-(18-h)=7 18/2518-h=17 8\25-7 18\2518-h=16 33\25-7 18\2518-h=9 15\25h=18-9 15\25h=17 25\25-9 15\25h=8 10\25h=8 2\51 21/70-7x/70+30/70=1 23/70-7x\70=1 23\70-1 21\70-30\70-7x\70=-28\70x=-28\70*(-70\7)x=4

18-h=17 8/25-7 18/2518-h=16 25/25+8/25-7 18/2518-h=16 33/25-7 18/2518-h=9 15/2518-h=9 3/5h=18-9 3/5h=17 5/5-9 3/5h=8 2/591/70-7х/70+30/70=93/70/*7091-7х+30=93-7х=93-91-30-7х= -28х= -28:(-7)х=4