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Daniella Larson
Mathematics
5 February, 18:25
The difference of twice a number n and 9 is 17.
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Emmalee Huffman
5 February, 18:35
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2n - 9 = 17
n = 13
Step-by-step explanation:
2n - 9 = 17
Add 9 to each side
2n-9+9 = 17+9
2n = 26
Divide each side by 2
2n/2 = 26/2
n = 13
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