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juin [17]
3 years ago
6

Which of the following are solutions to this equation 3n+4=24-n a) n=1 b) n=3 c) n=5 d) n=7​

Mathematics
1 answer:
g100num [7]3 years ago
4 0

Answer:

The correct option is c) n=5.

Therefore the solution to

3n+4=24-n

is

n=5

Step-by-step explanation:

Given:

3n+4=24-n

To Find;

n = ?

Solution:

3n+4=24-n      ........Given

Add + n to both the side

3n+4+ n=24-n+n\\4n+4=24

Now Subtract 4 on both the side

4n+4-4=24-4\\4n=20

Dividing by 4 on both side

\dfrac{4n}{4}=\dfrac{20}{4}\\\\n=5

Therefore the solution to

3n+4=24-n

is

n=5

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Step-by-step explanation:

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Answer:

well for me

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Check attachment for question
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2 years ago
The bill from your plumber was $134. The cost for labor was $32 per hour. The cost for materials was $46. How many hours did the
trapecia [35]

since we know the plumber charges $32 for one hour of work, if the plumber works

1 hour, that's 32(1)

2 hours........ 32(2)

3 hours.........32(3)

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the cost of materials is $46, so your total charge for getting the lizard out of the bathtub pipe is the hours rate plus the 46 bucks, namely 32x + 46, and incidentally we know that's $134.


\bf 32x+46=134\implies 32x=88\implies x=\cfrac{88}{32}\implies x=\cfrac{11}{4} \\[2em] x=2\frac{3}{4}\impliedby \textit{2 hours and 45 minutes}

7 0
3 years ago
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