4 7/10=14/5
3 5/12=5/4
4 1/4=1
1 11/100=11/100
3 1/5=3/5
х-8.0=7.007
х=8.0+7.007
х=15.007
125.46-х=124.001
-х=-125.46+124.001
-х=-1.459
х=-1.459÷(-1)
х=1.459