Предмет: Алгебра, автор: Аноним

Помогите пожалуйста решить

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Автор ответа: barracuda1313

6Б+8М=116
3Б+10М=118 *2

6Б+8М=116
6Б+20М=236
из второго вычтим первое

6Б+20М-6Б-8М=236-116
12М=120
М=120/12
М=10 карандашей в маленькой коробочке

6Б+8М=116
6Б+8*10=116
6Б+80=116
6Б=36
Б=6 карандашей

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