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Mathematics 17 Online
OpenStudy (anonymous):

Simplify 7(x + 3). 7x + 3 7x + 21 7x + 10 x + 21

Mehek (mehek14):

multiply 7 by x and 7*3

OpenStudy (anonymous):

7x + 21

Mehek (mehek14):

yup there you go :]

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