Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
A
=
[
1
2
3
0
]
A = \begin{bmatrix}1 & 2\\ 3 & 0\end{bmatrix}
A
=
[
1
3
2
0
]
and
B
=
[
7
−
3
5
9
]
B = \begin{bmatrix}7 & -3\\ 5 & 9\end{bmatrix}
B
=
[
7
5
−
3
9
]
. If
5
X
−
2
A
=
B
,
5X - 2A = B,
5
X
−
2
A
=
B
,
find
X
X
X
.
Browse the problem library