SOLUTION: Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
x+5y=10
-2x-10y=-20
Algebra.Com
Question 111975: Solve each of the following systems by addition. If a unique solution does not exist, state whether the system is inconsistent or dependent.
x+5y=10
-2x-10y=-20
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
1st: x + 5y=10
2nd: -2x-10y=-20
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Multiply 1st by -2 to get
-2x-10y = -20
------------------
The two equations are essentially the same.
The system is "dependent"
==============
Cheers,
Stan H.
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