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07-05-2016
Mathematics

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solve 2 cube root 8x+9=5

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apologiabiology apologiabiology

13-05-2016

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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