Предмет: Алгебра, автор: Аноним

Найти значение выражения

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Автор ответа: mukus13

$\frac{3a-6b+4}{6a-3b+4} =7$
$3a-6b+4=7*(6a-3b+4)$
$3a-6b+4=42a-21b+28$
$39a-15b=-24$
$39a-15b+25=-24+25=1$
Ответ: 1

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