Решите уровнение. (3х+5×)*18=144, (7у-3у):8=17
(3х+5х)*18=144 8х=144:8 8х=8 х=8:8 х=1 (7у-3у):8=17 4у=17*8 4у=136 у=136:4 у=34
(3х+5×)*18=144 8x*18=144 8x=144:18 8x=8 x=1