1) 2*4-(х-4)=0
8-х+4=0
х=12
2) х+22-3х*4=0
х-12х+22=0
-11х=-22
х=2
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1) 2*4-(х-4)=0
8-х+4=0
х=12
2) х+22-3х*4=0
х-12х+22=0
-11х=-22
х=2