Question

решите уровнение. (3х+5×)*18=144, (7у-3у):8=17

Answer 1

(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

Answer 2

(3х+5×)*18=144
8x*18=144
8x=144:18
8x=8
x=1