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28-10-2020
Mathematics

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If twice the number, added to 3 is divided by the number plus 9, the result is three halves. Find the number

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28-10-2020

Answer:

x=21

Step-by-step explanation:

(3+2x)/(x+9)=3/2

(x+9)(3+2x)=(3/2)(x+9)

3+2x=(3x+27)/2

2(3+2x)=3x+27

6+4x=3x+27

x=21

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