14х+9х+88=272
14х+9х=272-88
23х=184
х=184/23
х=8
3х+х+3х+14+2(3х+14)=324
3х+х+3х+14+6х+28=324
3х+х+3х+6х=324-14-28
13х=282
х=282/13
х=21,6923076923
14х+9х+88=272
14х+9х=272-88
23х=184
х=184/23
х=8
3х+х+3х+14+2(3х+14)=324
3х+х+3х+14+6х+28=324
3х+х+3х+6х=324-14-28
13х=282
х=282/13
х=21,6923076923