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Mice21 [21]
3 years ago
7

5(n+1) = 2n + 20 can someone tell me the answer and explain

Mathematics
2 answers:
finlep [7]3 years ago
8 0

Answer:

n=15

Step-by-step explanation:

5(n+1)=2n+20

U start by expanding the first term which will give you 5n+5

Then after that u collect like terms giving u

5n-2n=20-5

Finally u evaluate it giving u

n=15

Tomtit [17]3 years ago
4 0
First we have to expand 5(n + 1)
Meaning we have to multiply everything in the bracket by 5. That would mean 5n + 5.

Now we have 5n + 5 = 2n +20

Subtract 2n from both sides to get rid of the 2n on the right

So you will have 3n + 5 = 20

Now subtract 5 from both sides to get rid of the 5 on the left.

So you will have 3n = 15

Divide both sides by 3 to get n = 5

Answer is n = 5
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Victoria correctly determined the area of this parallelogram by adding the areas of the rectangle and triangles.
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Answer:

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Step-by-step explanation:

The formula for the area of a rectangle is:

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A=1/2×4×8

A=2×8

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For the total area you will now add the area of each shape. We will multiply triangle area by 2 because there is 2 triangles.

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