SOLUTION: solve by an method: 12x-6y=-15 -4x+2y=5

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Question 292187: solve by an method:
12x-6y=-15
-4x+2y=5

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
1.
2.
Multiply eq. 2 by 3 and add to eq. 1 to eliminate x.


Eq. 1 and eq. 2 are the same line.
Multiply eq. 2 by (-3) to get eq. 1.
Consistent dependent system of equations, infinitely many solutions.

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