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# What is the value of (2t + t - x)/(t - x)?

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What is the value of (2t + t - x)/(t - x)? [#permalink]  05 Feb 2013, 04:38
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What is the value of (2t + t - x)/(t - x)?

(1) 2t/(t - x) = 3

(2) t - x = 5
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Re: What is the value of (2t + t - x)/(t - x)? [#permalink]  05 Feb 2013, 04:41
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What is the value of (2t + t - x)/(t - x)?

$$\frac{2t + t - x}{t - x}=\frac{2t}{t - x}+\frac{t - x}{t - x}=\frac{2t}{t - x}+1=?$$

(1) 2t/(t - x) = 3 --> $$\frac{2t}{t - x}+1=3+1=4$$. Sufficient.

(2) t - x = 5 --> $$\frac{2t + (t - x)}{(t - x)}=\frac{2t + 5}{5}$$ --> different values of t will give different values ofr this expression. Not sufficient.

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Re: What is the value of (2t + t - x)/(t - x)? [#permalink]  07 Feb 2013, 15:13
What is the value of (2t + t - x)/(t - x)?

(1) 2t/(t - x) = 3

(2) t - x = 5

2t/(t-x) + t/(t-x) - x(t-x) = ??

from 1

3/2= t/(t-x) , and x = t-2/3t , thus suff

from 2

t-x = 5 obviously not suff

i d say A
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Re: What is the value of (2t + t - x)/(t - x)? [#permalink]  19 Aug 2014, 18:30
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Re: What is the value of (2t + t - x)/(t - x)?   [#permalink] 19 Aug 2014, 18:30
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