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Mathematics 15 Online
OpenStudy (anonymous):

solve the following system using a matrix 7a-b=-1 -4a-2b=-2 The answer is (0,1) but i don't understand how it works.

OpenStudy (anonymous):

@mathmale

OpenStudy (mathmale):

I'm going to write your system of equations in matrix form:

OpenStudy (mathmale):

|dw:1399432505232:dw|

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