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Mathematics, 04.08.2019 03:30 mattstudy305

Erik made an error in his homework. he said that is equivalent to 7x + 9. what is the correct way for erik to fix his error? a. he should combine 12 and 3 to get 15. b. he should combine 3x and to get . c. he should not combine 3x and . d. he should not combine 12 and 3.

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