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Sonbull [250]
3 years ago
10

Aswer to expand 3(n+7)

Mathematics
2 answers:
Yakvenalex [24]3 years ago
6 0
3n+21 because of distributive property.
Charra [1.4K]3 years ago
5 0
3n + 21
n=7
................
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A
Anika [276]

Based on the information, it should be noted that the value of x is 3 and the measure of angle HEB will be 27°.

<h3>How to illustrate the information?</h3>

It should be noted that complementary angles are the angles that are equal to 90°.

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brainly.com/question/25716982

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