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Problems
If
[
x
+
y
2
x
−
y
3
x
+
2
y
1
]
=
[
3
3
8
1
]
,
\begin{bmatrix}x+y&2x-y\\3x+2y&1\end{bmatrix}=\begin{bmatrix}3&3\\8&1\end{bmatrix},
[
x
+
y
3
x
+
2
y
2
x
−
y
1
]
=
[
3
8
3
1
]
,
…
Mathematics
Problem
If
[
x
+
y
2
x
−
y
3
x
+
2
y
1
]
=
[
3
3
8
1
]
,
\begin{bmatrix}x+y&2x-y\\3x+2y&1\end{bmatrix}=\begin{bmatrix}3&3\\8&1\end{bmatrix},
[
x
+
y
3
x
+
2
y
2
x
−
y
1
]
=
[
3
8
3
1
]
,
find
x
x
x
and
y
y
y
.
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