SOLUTION: Create a matrix that represents the system of equations: -12x-13y+13z=15 7x-10y-3x=11 7x+14y+5z=-5

Question 700955: Create a matrix that represents the system of equations:
-12x-13y+13z=15
7x-10y-3x=11
7x+14y+5z=-5
Found 2 solutions by MathLover1, Stitch:
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

.....you probably have here

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Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
Creating a matrix from the 1st and 3rd equations is easy. You just have to copy down the coefficient from each variable.
For the 2nd equation you need to combine the X terms and then copy down the coefficient. And since there are not any Z terms in the equation, you place a zero in the matrix for the Z's column.

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