Предмет: Математика, автор: Аноним

решите уравнения 67-z=28 y+56=83 (x+26)-29=19

Ответы

Автор ответа: терех

z=67-28=39

y=83-56=27

Х+26=19+29=48
х=48-26=22

Автор ответа: fiofionina

Решение:
67-z=28
-z=28-67=--39
z=-39/-1=39 Ответ: z=39

у+56=83
у=83-56=27 Ответ: у=27

(х+26)-29=19
х+26-29=19
х=19-26+29=22 Ответ: х=22

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