Предмет: Математика, автор: julyaprincessa

решите 2/7x-23=-3-1/7x-23

Ответы

Автор ответа: ramit08

2/7x-23=-3-1/7x-232/7x+1/7x=23-23-3
3/7x=-3
3x=-21
x=-21/3
x=-7

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