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Problem
Problem
Solve the system of equations
x
+
y
+
z
=
6
x+y+z=6
x
+
y
+
z
=
6
,
x
+
2
y
+
3
z
=
14
x+2y+3z=14
x
+
2
y
+
3
z
=
14
and
x
+
4
y
+
7
z
=
30
x+4y+7z=30
x
+
4
y
+
7
z
=
30
with the help of matrix method.
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