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Mathematics 16 Online
OpenStudy (like1234):

Which is a variable expression for the word phrase? the product of 3 and a number decreased by 7 A. 3n + 7 B. 7 – 3n C. 3n – 7 D. 7n – 3

OpenStudy (lynfran):

the product of 3 and a number means 3 is being multiply by a number

OpenStudy (like1234):

so C

OpenStudy (lynfran):

and decrease mean its being subtracted

OpenStudy (lynfran):

yes C

OpenStudy (like1234):

thx

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