(14-у)*4-9=19 звездочка умножить
(14-y)*4-9=19
(14-y)*4=19+9
(14-y)*4=28
14-y=28:4
14-y= 7
y=14-7
y= 7
проверка
(14-7)*4-9=19
7*4-9=19
28-9=19
19=19
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Verified answer
(14-y)*4-9=19
(14-y)*4=19+9
(14-y)*4=28
14-y=28:4
14-y= 7
y=14-7
y= 7
проверка
(14-7)*4-9=19
7*4-9=19
28-9=19
19=19