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Mathematics 7 Online
OpenStudy (anonymous):

Find the variables. http://i.imgur.com/WKoK1ft.gif I do not know how to solve matrices with variables.

OpenStudy (anonymous):

@jim_thompson5910 Could you please help me?

jimthompson5910 (jim_thompson5910):

equate corresponding parts

jimthompson5910 (jim_thompson5910):

-12 = 2k

jimthompson5910 (jim_thompson5910):

-w^2 = -81

jimthompson5910 (jim_thompson5910):

2f = -14

jimthompson5910 (jim_thompson5910):

3 = 3

OpenStudy (anonymous):

Ok. Thanks. I didn't know it was that easy.

jimthompson5910 (jim_thompson5910):

yw

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