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Gemiola [76]
3 years ago
12

3n+8=20 i need help i think it is algerbra

Mathematics
2 answers:
Minchanka [31]3 years ago
7 0
3n+8=20
8+3n=20
3n=20+-8
3n=12
n=4

tia_tia [17]3 years ago
4 0

turn the problem around

20-8=12

12/3=4

Your answer is 4.

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8 0
3 years ago
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ElenaW [278]

Answer:

Answer is below

Step-by-step explanation:

Subtract 4 from both sides.

-6n+4(-4)=-5(-4)\\-6n=-9\\

Divide both sides by -6.

\frac{-6n}{-6}=\frac{-9}{-6}  \\n=\frac{3}{2} Decimal 1.5

5 0
3 years ago
HELP ME WITH THIS QUESTION
denpristay [2]
Comment
Don't put the tax in until the Merchant actually receives his money. That's what the government looks at in most places. 

So take the discount first.
Problem 1
Step One
Find the discount
Original Price 109.50 
26% discount = (26/100) * 109.50
26% discount = 28.47

Step Two 
Take the discount away from the original selling price.
109.50
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======
81.03

Step 3
Find the 1% Tax
81.03 * 1/100  = 0.81

Step 4
Add this to the selling price.
81.03 + 0.81 = 81.84

Answer 81.84 <<<<< 

Note:
There are other ways of doing this, but this way is the safest way.

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3 years ago
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Answer:

Step-by-step explanation:

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8 0
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Answer:

Step-by-step explanation:

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