SOLUTION: (7 x -4 y = 5) (21 x -12 y=15)Solve the system with the addition method

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Question 726693: (7 x -4 y = 5) (21 x -12 y=15)Solve the system with the addition method
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
(7 x -4 y = 5) MULTIPLY BY -3 & ADD.
(21 x -12 y=15)
-21X+12Y=-15
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0X+0Y=0 NO SOLUTION BECAUSE THESE 2 EQUATIONS ARE THE SAME.