SOLUTION: five divided by the difference of a number and 1 equals the quotient of 10 and the sum of the number and 9. find the number.
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Question 111069: five divided by the difference of a number and 1 equals the quotient of 10 and the sum of the number and 9. find the number.
Found 2 solutions by HyperBrain, checkley71:
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
Let x=the number
IF five divided by the difference of a number and 1 equals the quotient of 10 and the sum of the number and 9, then,
BY cross multiplication.,
Thus, and therefore, the number is 11!
Power up,
HyperBrain!
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
5/(X-1)=10/(X+9) NOW CROSS MULTIPLY
5(X+9)=10(X-1)
5X+45=10X-10
5X-10X=-10-45
-5X=-55
X=-55/-5
X=11 ANSWER.
PROOF
5/(11-1)=10/(11+9)
5/10=10/20
1/2=1/2
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