SOLUTION: How to solve linear system: 2x + 4y = 0 3x + 7 = y

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Question 253411: How to solve linear system:
2x + 4y = 0
3x + 7 = y

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
substitute 3x+7 for y in first equation and solve for x

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