Find the matrix X such that 2A – B + X = O,
where 
and 
Given 2A – B + X = 0
Conclusion: 
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5. Matrices
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2
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9
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2
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7
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16
1 A
1 B
1 C
1 D
1 E
2 A
2 B
3 A
3 B
3 C
4
5
16 A
6
7 A
7 B
8
9
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11
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15
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35
36
1
2
3
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8
9
10
11
12
13 A
13 B
13
13 D
14
15
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2
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9
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12
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15
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11
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21
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