Предмет: Математика, автор: mutafroman02

Реши уравнение:
5y+7y+23=143.

Ответ: y =

smiaglikovadara: y = 10

Ответы

Автор ответа: Аноним

1

Ответ:

5y+7y+23=143

5y+7y=143-23

12y=120

y=120÷12

y=10

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