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07-02-2019
Mathematics

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Solve the equation. Check for extraneous solutions.

9∣9-8x∣ = 2x+3

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sammycai sammycai

17-02-2019

81-72x=2x+3
81-3=2x+72x
78=74x
x=74/78
x=37/39 or 0.948...

To Check for extraneous solutions, you have to plug in the answers to the original equation. If it doesn’t work then it is extraneous and it is no solution

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