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Mathematics 22 Online
OpenStudy (perfect14):

Which of the following expressions are equivalent to −3.5(2 − 3n) − 2.5n? A. −7 − 8n B. −7 + 8n C. −7 − 13n D. −7 − n(10.5 − 2.5) E. −7 + n(10.5 − 2.5)

OpenStudy (er.mohd.amir):

-3.5(2-3n)-2.5n= now open bracket and remember -ve sign change the sign in the bracket

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