1) 8(х - 14) = 56;
8х-112=56
8х=168
х=168:8
х=21
2) (46 - x) : 19 = 418;
(46 - x)=22
х=46-22
х=24
3) 9(143 - 13x) = 234;
1287-117х=234
117х=1053
х=1053:117
х=9
4) 17(5х – 16) = 238.
85х-272=238
85х=510
х=510:85
х=6
1) 8(х - 14) = 56;
8х-112=56
8х=168
х=168:8
х=21
2) (46 - x) : 19 = 418;
(46 - x)=22
х=46-22
х=24
3) 9(143 - 13x) = 234;
1287-117х=234
117х=1053
х=1053:117
х=9
4) 17(5х – 16) = 238.
85х-272=238
85х=510
х=510:85
х=6