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Re: When x is multiplied by 3, the result is 18 more than the result of
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31 Jul 2016, 21:36

1

HarveyKlaus wrote:

When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. What is the value of x?

A) -4 B) -2 C) 11 D) 13 E) 22

The equation that can be formed is:

3x-18=26-x or, 4x=44 or, x=11.

C answer.

To solve such problems, pay attention while you read question. Here, some of us might subtract 26 from x. Ex. 3x-18=x-26 which will lead to answer -4, which is wrong. In question, it has been clearly said to subtract x from 26. In maths, from always comes first.

Re: When x is multiplied by 3, the result is 18 more than the result of
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27 Jun 2017, 01:54

Very well explained MruDe! Thank you! I misinterpreted "subtracting x from 26" as (x-26). I was soo sure the OA is wrong until I say your explanation. Now I am slapping myself!

Gotta be careful!!

MruDe wrote:

HarveyKlaus wrote:

When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. What is the value of x?

A) -4 B) -2 C) 11 D) 13 E) 22

The equation that can be formed is:

3x-18=26-x or, 4x=44 or, x=11.

C answer.

To solve such problems, pay attention while you read question. Here, some of us might subtract 26 from x. Ex. 3x-18=x-26 which will lead to answer -4, which is wrong. In question, it has been clearly said to subtract x from 26. In maths, from always comes first.

Re: When x is multiplied by 3, the result is 18 more than the result of
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27 Jun 2017, 06:36

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Top Contributor

HarveyKlaus wrote:

When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. What is the value of x?

A) -4 B) -2 C) 11 D) 13 E) 22

When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. Translating the colored text, we get: 3x and 26 - x

For many, the tricky part is dealing with "the result is 18 more than" We know that 3x is 18 more than 26 - x Our goal is to create an EQUATION. How do we do this? Since 3x is 18 more than 26 - x, we can make the two quantities equal by EITHER subtracting 18 from 3x OR adding 18 to 26 - x Let's do the latter.

We get: 3x = 26 - x + 18 Simplify: 3x = 44 - x Add x to both sides: 4x = 44 Solve: x = 11

Re: When x is multiplied by 3, the result is 18 more than the result of
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27 Jun 2017, 13:00

When x is multiplied by 3, the result is 18 more than the result of subtracting x from 26. What is the value of x?

\(3x = (26 - x) + 18\)

\(3x = 26 - x + 18\)

\(4x = 44\)

\(x = 11\)

Hence, Answer is C _________________

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