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What is the value of 3c − 2 ?

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sandy
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What is the value of 3c − 2 ? [#permalink] New post   28 Jan 2018, 04:33
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\(4c + 6 = 26.\) What is the value of 3c − 2 ?

A. \(\frac{-1}{2}\)
B. 4
C. 5
D. 13
E. 22




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Re: What is the value of 3c − 2 ? [#permalink] New post   30 Jan 2018, 09:11
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sandy wrote:
\(4c + 6 = 26.\) What is the value of 3c − 2 ?

A. \(\frac{-1}{2}\)
B. 4
C. 5
D. 13
E. 22







here 4c + 6 = 26

or c = 5

Now putting the value of c in the equation = 3c - 2 = (3 * 5) - 2 = 13
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Re: What is the value of 3c − 2 ? [#permalink] New post   03 Feb 2018, 04:00
Thank you.
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Re: What is the value of 3c − 2 ? [#permalink] New post   04 Mar 2018, 14:00
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Explanation

When solving algebraically, be careful to perform the same operation on both sides of the equation: \(4c + 6 = 26\), so subtract 6 from both sides to find \(4c = 20\) and \(c = 5\).

Therefore, \(3c - 2 = (3 \times 5) - 2 = 13.\)
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Re: What is the value of 3c − 2 ? [#permalink] New post   17 May 2021, 10:46
Hello from the GRE Prep Club BumpBot!

Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: What is the value of 3c − 2 ? [#permalink]
17 May 2021, 10:46
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