Предмет: Математика, автор: ольга123456789987

помогите: 42k-28k+180=600

Ответы

Автор ответа: ewgenijbark

0

42к - 28к + 180 = 600
14к = 600 - 180
14к = 420
к = 420 : 14
к = 30

Автор ответа: bertain

0

42k - 28k + 180 = 600
14k = 600 - 180
14k = 420
k = 420:14
k = 30.
Ответ: k = 30.

Удачи! :)

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