Ответ:
8-18k
Объяснение:
1 =
9k - 4 + * = 4 - 9k
* = 4 - 9k - (9k - 4) = 4 - 9k - 9k + 4 = 8 - 18k
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Ответ:
8-18k
Объяснение:
1 =
9k - 4 + * = 4 - 9k
* = 4 - 9k - (9k - 4) = 4 - 9k - 9k + 4 = 8 - 18k