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November 21, 2014

November 21, 2014

Posted by **rosalind** on Monday, October 3, 2011 at 11:30pm.

7(q + 2) + 3(2q -1) = -2

- math -
**Steve**, Tuesday, October 4, 2011 at 10:56amget rid of the parentheses:

7q + 14 + 6q - 3 = -2

Collect all the q's on the left, and all the numbers on the right:

13q = -13

divide by 13

q = -1

Check your answer

7(-1+2) + 3(2(-1)-1) = 7*1 + 3(-3) = 7 - 9 = -2

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