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When x is multiplied by 3, the result is 18 more than the re
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12 Jun 2020, 10:58
12 Jun 2020, 10:58
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76% (00:49) correct
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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
Re: When x is multiplied by 3, the result is 18 more than the re
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12 Jun 2020, 10:59
12 Jun 2020, 10:59
Expert Reply
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Re: When x is multiplied by 3, the result is 18 more than the re
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12 Jun 2020, 12:28
12 Jun 2020, 12:28
Carcass 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: C
Cheers,
Brent
