(3x+18,4)/22=7997
3x+18,4=363,5
3x=345,1
x=115
(2х+9,2+х+9,2)22=7997
3х+18,4=7997/22
3х+18,4=363,5
3х=363,5-18,4
3х=345,1
х=3451/30
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(3x+18,4)/22=7997
3x+18,4=363,5
3x=345,1
x=115
(2х+9,2+х+9,2)22=7997
3х+18,4=7997/22
3х+18,4=363,5
3х=363,5-18,4
3х=345,1
х=3451/30