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Inconsistent or dependent system of equations

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Reference no: EM13124521

Solve the system of linear equations. If the unique solution does not exist state weather the system is inconsistent or dependent.

1. -x - y = 4
x -y = -8

2. 3x - 2y = 23
x +5y = -15

3. 4x + 2y = 4
y = 2 - 2x

4. 4x - 3y = 9
2x + y = 12

5. 5x + 4y = 40
x + 2y = 11

 

Reference no: EM13124521

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