3 years ago

Simplify (2n + 5) - (3n + 7) + (4n - 9).

Mathematics

1 answer:

evablogger [386]3 years ago

7 0

(2n + 5) - (3n + 7) + (4n - 9)
(2n - 3n + 4n) + (5 - 7 - 9)
(-n + 4n) + (-2 - 9)
3n - 11

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