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OpenStudy (anonymous):
solve each system by substitution. 4x-2y=-14 -12x+6y=42
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hero (hero):
Hint: Divide the second equation by 3
OpenStudy (anonymous):
i have y = 2x - 7 and -6x+3=21
hero (hero):
You should have divided the second equation by 2. Then you would have had the following: 4x -2y = -14 -4x + 2y = 14 Then it would have been obvious that the addition of both equations lead to a 0 = 0 scenario
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