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ae131
@ae131
August 2022
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ДАЮ 30 БАЛЛОВ!
Распределительное свойство умножения; раскрытие скобок; подобные слагаемые.
-4(2,3x-3)-(5-2,6x)+3(0,6x-2), если x= 5/12
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koingrel
Verified answer
-4(2,3x-3)-(5-2,6x)+3(0,6x-2) = -9,2х + 12 - 5 + 2,6х + 1,8х - 6 = -9,2х + 4,4х + 1 = -4,8х + 1 = 1 - 4,8х
При х = 5/12:
1 - 4,8 * 5/12 = 1 - 2 = -1.
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Answers & Comments
Verified answer
-4(2,3x-3)-(5-2,6x)+3(0,6x-2) = -9,2х + 12 - 5 + 2,6х + 1,8х - 6 = -9,2х + 4,4х + 1 = -4,8х + 1 = 1 - 4,8хПри х = 5/12:
1 - 4,8 * 5/12 = 1 - 2 = -1.