Предмет: Математика, автор: Vla1d19046

Раскройте скобки и привидите подобные слагаемые 7(3x+5) -(20-x)

Ответы

Автор ответа: stglupa

1

7(3x+5) -(20-x) = 21x + 35 - 20 + x = (21x + x) + (35 - 20) = 22x + 15

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Автор ответа: nepustilipoeta

2

Ответ:

22x + 15

Пошаговое объяснение:

7(3x+5) -(20-x) = 7*3х+7*5-20+х=21x + 35 - 20 + x = 22x + 15

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