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avagracegirlp17zx2
14.10.2019 •
Mathematics
Twice the sum of a number and 10 is -20
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Ответ:
n + 10 = -20/2
n + 10 = -10
n = -10 - 10
n = -20ur number
Ответ:
1 positive x-Tile , 12 negative unit tiles , 3, (x-3)(x+4)
Step-by-step explanation: