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27 June, 11:34

Solve 2 cube root 8x+9=5

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  1. 27 June, 14:26
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    2 times the cube root of 8x+9=5

    divide both sides by 2

    cube root of 8x+9=2.5

    cube everybody (put to 3rd power)

    8x+9=2.5^3

    8x+9=15.625

    minus 9 both sides

    8x=6.625

    divie both sides by 8

    x=0.828125
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