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Mathematics 10 Online
OpenStudy (keyonsay):

9(2x + 10) - 6x A. 12x - 10 B. 24x + 90 C. 12x + 90 D. 18x + 84

OpenStudy (anonymous):

C

OpenStudy (johnweldon1993):

distribute the 9 into the parenthesis... what is 9 times 2x? 18x what is 9 times 10? 90 so you have 18x + 90 - 6x what is 18x - 6x? 12x so we have 12x + 90

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