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(Solved): 2. Solve the following system using the inverse of a matrix (25 pts). 7x+3y=338x4y=40 ( ...
2. Solve the following system using the inverse of a matrix (25 pts).
?
7
x
+
3
y
=
?
33
8
x
?
4
y
=
40
?
(10 pts)
5
x
+
15
y
+
56
z
=
35
?
4
x
?
11
y
?
41
z
=
?
26
?
x
?
3
y
?
11
z
=
?
7
?
(15 pts)
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To solve the first system using the inverse of a matrix, we can write the system in matrix form as:| -7 3 | | x | | -33 || 8 -4 | x | y | = | 4
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