Предмет: Математика, автор: slslskwoowqsss

пжжппжпж срочно надо по братски​

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Ответы

Автор ответа: jekadva
1

Ответ: x = 39

Пошаговое объяснение:

1/4 x + 7 = 20 - 1/12 x

1/4 x + 1/12 x = 20 - 7

3/12 x + 1/12 x = 13

4/12 x = 13

x = 13 * 3/1

x = 39

slslskwoowqsss: спасибоооооо
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