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Artemon [7]
3 years ago
8

Simplify the following expression: 7y + 2x − 10y + 3x2 − 10x

Mathematics
1 answer:
Tpy6a [65]3 years ago
5 0
What is the sign of the 2?
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A money box contains only 10-cent and 20-cent coins. There are 40 coins with a total value of $6.50. How many coins of each?
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