SOLUTION: Determine whether the system is consistent, inconsistent, or dependent. 3x - 3y = -9 9x

SOLUTION: Determine whether the system is consistent, inconsistent, or dependent. 3x - 3y = -9 9x - 9y = -27

Question 251827: Determine whether the system is consistent, inconsistent, or dependent.
3x - 3y = -9
9x - 9y = -27
Found 2 solutions by stanbon, hokies:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Determine whether the system is consistent, inconsistent, or dependent.
3x - 3y = -9
9x - 9y = -27
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Multiply thru the 1st eqution by 3 to get:
9x-9y = -27
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Subtract that from the 2nd equation and you get:
0 = 0
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That means the system is dependent (one of the equations
is a multiply of the other).
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Cheers,
Stan H.
Answer by hokies(65) (Show Source): You can put this solution on YOUR website!
dependent. eqn 2 is 3 times eqn 1.
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