Предмет: Математика, автор: nasapopkova29

Розвяже ривняня 1) х+19=12 2) -25-х=17

Ответы

Автор ответа: LaLinaR

Ответ:

1) x+19=12

x=12-19

x= -7

2) -25-x=17

-x-25=17

x=25+17

x=42

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