SOLUTION: If five times a number, added to 4 is divided by the number plus 4, the result is nine halves. Find the number.

Question 845040: If five times a number, added to 4 is divided by the number plus 4, the result is nine halves. Find the number.
Answer by ptaylor(2198) (Show Source): You can put this solution on YOUR website!
Let x=the number
5x=five times the number
5x+4=five times the number added to 4
x+4=the number plus 4. So our equation to solve is:
(5x+4)/(x+4)=9/2 multiply each side by 2(x+4)
2(5x+4)=9(x+4) simplify
10x+8=9x+36 subtract 9x and also 8 from each side
10x-9x+8-8=9x-9x+36-8 collect like terms
x=28
CK
5(28+4)/28+4)=9/2
144/32=9/2
9/2=9/2
Hope this helps----------- ptaylor
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