SOLUTION: If a number is added to the numerator of 7/8 and the same number is subtracted from the denominator, the result is 4. Find the number.
Algebra.Com
Question 837438: If a number is added to the numerator of 7/8 and the same number is subtracted from the denominator, the result is 4. Find the number.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
(7+x)/(8-x)=4
7+x=4*(8-x)
7+x=32-4x
5x=25
x=5
check
12/3=4
ok
RELATED QUESTIONS
If a number is added to the numerator of
7/9 and the same number is subtracted from the (answered by fractalier)
If a number is added to the numerator of 5/7 and the same number is subtracted from the... (answered by addingup,algebrahouse.com,MathTherapy)
If a number is added to the numerator of 2/7, and twice the number is subtracted from the (answered by ikleyn,MathTherapy)
If a number is subtracted from the numerator of 5/8 and the same number is added to the... (answered by ewatrrr)
If a number is added to the numerator of
7
8
and twice as much is added to the... (answered by jim_thompson5910,mananth)
If a number is added to the numerator of
7
8
and twice as much is added to the... (answered by josgarithmetic,ikleyn)
If a certain number is added to both the numerator and denominator of the fraction 8/7,... (answered by josgarithmetic)
How do you solve:
If a number is added to the numerator of 5/7 and twice as much is... (answered by stanbon)
If the same number is added to the numerator and denominator of -4/7, the result is -9/2. (answered by ikleyn)