Solve |5x+15|=10x. Identify the solution and an extraneous solution.

1 answer:

5 0

|5x+15|=10x

5x+15=10x 5x+15=-10x
-5x -5x -5x -5x
15=5x 15=-15x
divide by 5 divide by -15
3=x -1=x

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