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lorasvet [3.4K]
3 years ago
10

the numerator of a fraction is 1 more than twice its denominator. if 4 is added to both the numerator and the denominator, the f

raction reduces to 5/3. find the denominator
Mathematics
2 answers:
castortr0y [4]3 years ago
7 0
(2d + 1) / d

(2d + 1 + 4) / (d + 4) = 5/3
(2d + 5) / (d + 4) = 5/3
3(2d + 5) = 5(d + 4)
6d + 15 = 5d + 20
6d - 5d = 20 - 15
d = 5

(11 + 4) / (5 + 4) = 5/3
15/9 = 5/3
5/3 = 5/3 (correct)

ur numerator is 11, ur denominator is 5.....adding 4 to each gives u 15/9, which reduces to 5/3




maria [59]3 years ago
3 0
5.
the equation looks like:
((2x+1)+4)/((x)+4)= 5/3
then you do cross multiplication and get:
6x+3+12=5x+20
subtract 5x on each side. subrtract the 3 and 12 from the 20.
and you get your answer 5=x
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2x^2-11x+15   |  2x-5

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-------------

/       -6x+15

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-----------------

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the answer is X-3

Step-by-step explanation:

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