Предмет: Математика, автор: Аноним

3(x+6)=x+2(x+9)
СРОЧНО ДАЮ 100 БАЛОВ!!!!!!​

abdulkhamitovna03: спасибо

Ответы

Автор ответа: abdulkhamitovna03
1

Ответ:

3x+6x=x+2x+18

3x+6x-x-2x=18

6x=18

x=3

Автор ответа: alina4ka008
1

3(х+6)=х+2(х+9)

3х+18=х+2х+18

3х=х+2Х

3х=3х

кажется так)

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