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OpenStudy (anonymous):
Solve the following system of equations. 2a - 3b + c = 10 2a - 2b - 2c = 2 a + 3b + 2c = -1
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OpenStudy (anonymous):
this is so simple
OpenStudy (anonymous):
use a matrix
OpenStudy (anonymous):
tien i tell u steps follow them ..
OpenStudy (anonymous):
1. replace 1 equation by 3 equation first
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