х=53+10
х=63
2)78-х=23
х=78-23
х=55
3)х-64.2=0.97
х=64.2+0.97
х=65.17
4)37.12+х=37.191
х=37.191-37.12
х=0.071
х=53+10
х=63
2)78-х=23
х=78-23
х=55
3)х-64.2=0.97
х=64.2+0.97
х=65.17
4)37.12+х=37.191
х=37.191-37.12
х=0.071