Предмет: Математика, автор: an93rus

помогите решить уравнение (7а+1)-(6а+3)=5

Ответы

Автор ответа: miss6lis

(7а+1)-(6а+3)=5
(РАСКРЫВАЕМ СКОБКИ)т.е
7а+1-6а-3=5
(УПРОСТИМ ВЫРАЖЕНИЕ)
1а+1+3=5
1а+4=5
1а=1
а=1
Ответ:а=1

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