Question

Решите уравнение: 1) (x+57):7=12 2) (161-y):16=9

Answer 1

(х+57)=7*12
х+57=84
х=27

Answer 2

161-у=16*9
161-у=144

Answer 3

у=17

Answer 4

1) х+57=12*7

х+57=84

х=84-57

х=27

2) (161-у):16=9

161-у=9*16

161-у=144

у=161-144

у=17