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OpenStudy (anonymous):
PLEASSSSSE HELP:Use a graphing calculator utility to solve the system of equations using the inverse of the coefficient matrix(if it exist) x + 3y + 2z = -1 -2x-5y - z = 10 2x + 4y =-12
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OpenStudy (mathmale):
Which calculator do you have to work with? Are you familiar with matrix operations on the TI-84 calculator?
OpenStudy (anonymous):
Yes
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