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12-09-2018
Mathematics

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Solve the equation. Show all work 5x+9=7x+21

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z5tequ2u z5tequ2u

12-09-2018

[tex]5x+9=7x+21\\ \\ 5x-7x=21-9\\ \\ -2x=12\\ \\ x=\frac{12}{-2} =-6[/tex]

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