4+7x=65-74543+6445*654-x
4+7x=65-74543+4215030-x
х+7x=65-74543+4215030-4
8x=4140548
x=4140548/8
х=517568,5
4+7x=65-74543+6445*654-x
4+7x=65-74543+4215030-x
х+7x=65-74543+4215030-4
8x=4140548
x=4140548/8
х=517568,5