x−35x-35x−35-18=17
х-35 = 17+18
x -35 = 35
x = 35+35
x= 70
12+х+34х+34х+34=83
12+х+34=83
х=83-12-34
х=37
93-х+56х+56х+56=8
93-х-56=8
-х=8+56-93
-х=-29
х=29
x−35x-35x−35-18=17
х-35 = 17+18
x -35 = 35
x = 35+35
x= 70
12+х+34х+34х+34=83
12+х+34=83
х=83-12-34
х=37
93-х+56х+56х+56=8
93-х-56=8
-х=8+56-93
-х=-29
х=29