Answer:
she subtracted the 5 instead of adding it
Step-by-step explanation:
something through 1-10. i think its 7 but i rlly dont know. Sry.
The product of the matrices is an identity matrix. Therefore, X and A are inverse of each other.
The matrices are given as:
To check the matrices are inverse, we calculate their products.
Multiply the rows of A by the column of X.
This gives
The product of A and X is an identity matrix.
This means that; both matrix are inverse of each other
Read more about matrix at:
brainly.com/question/4017205
C has a solution of 9 you subtract 3 to get A=9
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