(х-64)+13=50
х = 101
16-(65-х)=12
х = 61
(2х+64)+20=106
х = 11
40-(5х-65)=35
х = 14
86+(х+9)=104
х = 9
(х-64)+13=50
х = 101
16-(65-х)=12
х = 61
(2х+64)+20=106
х = 11
40-(5х-65)=35
х = 14
86+(х+9)=104
х = 9