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Mathematics 7 Online
OpenStudy (anonymous):

Need help solving a system using a matrix... I'm trying to get a 1 entry in the first row, but the problem is.. the x value in the first row is a factor of the x value for the second. So I don't know what row operation will give me the 1 entry for the first row... the system is 3x-5y = 3 15x + 5y = 21 basically need help solving the system using matrix operations

Miracrown (miracrown):

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