Предмет: Математика, автор: Iraaaaaaaaaaa87

помогите решить пожалуйста

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Автор ответа: tatsach

..............................

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Автор ответа: kedrtu

1) =2х+6
2) =4х-12
3) = 36+9у
4) =5у-10
5) =6m+18
6) =7n-56
7) =5a+35
8) =4b-12

Iraaaaaaaaaaa87: можете обьяснить как получилось?

kedrtu: умножаем каждый слагаемый в скобке на число за скобкой

kedrtu: например 2(х+3)=2*х+2*3=2х+6

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