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29 Jul 2019, 23:53
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B
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Difficulty:
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Question Stats:
96% (00:27) correct
4%
(01:26)
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based on 49
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If y(x - 1) = z then x =
A. y - z
B. z/y + 1
C. y(z - 1)
D. z(y - 1)
E. 1 - zy
A. y - z
B. z/y + 1
C. y(z - 1)
D. z(y - 1)
E. 1 - zy
30 Jul 2019, 02:52
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YX-Y=Z
==》YX=Y+Z
==》X=Y+Z/Y= 1+ Z/Y
Option B
Posted from my mobile device
==》YX=Y+Z
==》X=Y+Z/Y= 1+ Z/Y
Option B
Posted from my mobile device
30 Jul 2019, 06:05
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Bunuel
If y(x - 1) = z then x =
A. y - z
B. z/y + 1
C. y(z - 1)
D. z(y - 1)
E. 1 - zy
A. y - z
B. z/y + 1
C. y(z - 1)
D. z(y - 1)
E. 1 - zy
Another approach....
GIVEN: \(y(x - 1) = z\)
Divide both sides by y to get: \(x-1=\frac{z}{y}\)
Add 1 to both sides to get: \(x=\frac{z}{y}+1\)
Answer: B
Cheers,
Brent
