Question

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

Answer 1

x=21

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