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When x is multiplied by 3, the result is 18 more than the result of
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Updated on: 27 Jun 2017, 06:38
Updated on: 27 Jun 2017, 06:38
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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
A) -4
B) -2
C) 11
D) 13
E) 22
Originally posted by HarveyKlaus on 31 Jul 2016, 11:28.
Last edited by Bunuel on 27 Jun 2017, 06:38, edited 1 time in total.
Last edited by Bunuel on 27 Jun 2017, 06:38, edited 1 time in total.
Renamed the topic.
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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
27 Jun 2017, 06:36
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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
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
Answer:
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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
31 Jul 2016, 21:36
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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
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.
I hope this helps.
MruDe
