AlgebraMatrix
posted by lizzie .
What element is a location a_23 of matrix A, if
4 3 4
5 0 6
7 2 8
I have the answer at 6
Is this correct?

AlgebraMatrix 
Anonymous
yes

AlgebraMatrix 
lizzie
Solve for x
Matrix
(5x8 1 = (2 1
3 4m1) 3 7m +6)
How do I do this? 
AlgebraMatrix 
lizzie
Solution of the determinant? Matrix
1 7
0 3
How do I do this? 
AlgebraMatrix 
Anonymous
1)Solve the system
5x8=2
4m1=7m+6
2)Determinant=1*30*7 
AlgebraMatrix 
lizzie
answer
1. ?
2. 3 
AlgebraMatrix 
Damon
1.
5x = 10 so x = 2
2. 3 is correct
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