Mathematics, 30.10.2020 18:00, keigleyhannah30

-54=-9n+9. Pls help i need it quick

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Mathematics, 21.06.2019 17:30, liquidmana42

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Mathematics, 21.06.2019 19:30, cykopath

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Mathematics, 21.06.2019 21:00, Gabriel134

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

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-54=-9n+9. Pls help i need it quick...