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inn [45]
3 years ago
9

3-6n+3n=-3+4-4n can somebody help me?

Mathematics
1 answer:
ElenaW [278]3 years ago
8 0
Anwser : n = -2
Combine Like Terms
Add 4n to both sides
Subtract 3 from both sides
A = n= -2
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Step-by-step explanation:

<u><em>The picture of the question in the attached figure N 1</em></u>

we know that

The area of the walkway around the rectangular pool, is equal to the area of two trapezoids (#1 and #2), plus the area of two smaller rectangles (#3 and #4)

see the attached figure N 2 to better understand the problem

step 1

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substitute

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