8 (x-14=56 (46-x)*19=418 9 (143-13x)=234 17 (5x-16)=238

1) 8 (9 х-14)=5672 х-112=5672 х=56+11272 х=168 х=168:72 x=2) (46-х) 19=41819 (46-х)=418874-19 х=41819 х=874-41819 х=456 х=456:19 х=24 3) 9 (143-13 х)=2341 287-117 х=234117 х=1 287-234117 х=1 053 х=1 053:117 х=9 9 (143-13·9)=234 9 (143-117)=234 9·26=234 4) 17 (5 х-16)=238 85 х-272=23885 х=238+27285 х=510 х=510:85 х=6 17 (5·6-16)=238 17 (30-16)=238 17·14=238