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torisob [31]
4 years ago
13

How to do #9.........

Mathematics
1 answer:
Serhud [2]4 years ago
5 0
4x and 2x line along a straight line, their sum then must be 180° so

6x=180

x=30

So the angles in there are:

3(30)-5=85°

2(30)=60°

4(30)=120°
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gladu [14]

Answer:

The right response is "3(k-1)". A further solution is given below.

Step-by-step explanation:

The given expression is:

⇒ (7 -3k) - (4 - 5k) - (6 - 2k)

On solving the above expression, we get

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On taking "3" as common, we get

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3 years ago
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3 years ago
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Alex_Xolod [135]

Answer:

x=4

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7 0
3 years ago
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