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  3. solve |7x + 21| = 14x. identify the solution and a

Solve |7x + 21| = 14x. Identify the solution and an extraneous solution.A. Solution: x...

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Solve |7x + 21| = 14x. Identify the solution and an extraneous solution.A. Solution: x = 1;extraneous solution: x = -3B. Solution: x = 3;extraneous solution: x = -3C. Solution: x = -1;extraneous solution: x = 3D. Solution: x = 3;extraneous solution: x=-1

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