Tuesday
July 29, 2014

Homework Help: Math - PreCalc (12th Grade)

Posted by Shawna on Friday, March 21, 2014 at 9:20am.

Use the inverse matrix to solve this system of equations:
4x+3y=7.5
7x+9z=14
4y-z=8.3

4,3,0
7,0,9
0,4,-1

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