just equate the elements. If the two matrices are equal, then all of the elements are identical.
10x = 5
y/2 = 4
z+3 = -8
use the following matrix to answer question
A=
[ 5 10x 7 ]
[ 8 12 1/2y]
[z+3 4 9]
A=
[5 5 7]
[8 12 4]
[-8 4 9]
solve for x, y, z
thank you
1 answer