Find the values of d in the proprtion4/8 =d--4/d+3
A.9
B.11
C.13
D.15
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Find the values of d in the proprtion4/8 =d--4/d+3
A.9
B.11
C.13
D.15
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Answer:
The answer is b. 11
Solution
4 = d – 4
8 d + 3
4(d + 3) = 8(d – 4)
4d + 12 = 8d – 32
12 + 32 = 8d – 4d
44 = 4d
4 4
11 = d
d = 11
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