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Mathematics 21 Online
OpenStudy (anonymous):

Solve: -2x - 15 = 6x + 9

OpenStudy (anonymous):

http://www.wolframalpha.com/ this website is very helpful.

OpenStudy (anonymous):

a) 3 b) -3 c) -1 d) 6

OpenStudy (anonymous):

http://www.wolframalpha.com/input/?i=-2x-15%3D6x%2B9

OpenStudy (anonymous):

x=-3

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

you're welcome. use the website i gave you. its very helpful

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