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Nadusha1986 [10]
2 years ago
11

Solve for the value of n.pls help I will give brainliest + 34 points!

Mathematics
2 answers:
Scilla [17]2 years ago
8 0
90+44+(3n-5)=180
134+(3n-5)=180, subtract 134 from both sides
3n-5=46
3n=51
n=17
To check: 90+44+(3x17-5)=180
Olenka [21]2 years ago
5 0

9514 1404 393

Answer:

  n = 17

Step-by-step explanation:

The angle sum theorem tells you the angles add up to the linear angle of 180°.

  (3n -5)° + 90° +44° = 180°

  3n + 129 = 180 . . . . . . . . . . collect terms

  3n = 51 . . . . . . . . . . . . subtract 129

  n = 17 . . . . . . . . . . divide by 3

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