247-(х+99)=47
х + 99 = 247- 47
х + 99 = 200
х = 101
х+99=247+47
х = 247 + 47 - 99
х = 195
х+99=294
х = 294 - 99
=> x+2/x-1+x-1/x+2 => 4x+1/2x-1x => 6x=1 => x=1/6 +> 0,16