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siniylev [52]
3 years ago
7

Solve for x (13x + 2) (5x - 7) (3x - 4) Thank you

Mathematics
2 answers:
Law Incorporation [45]3 years ago
5 0

\huge \bf༆ Answer ༄

As we know, sum of interior angles of a triangle is 180°

that is ~

  • \sf13x + 2 + 5x - 7 + 3x - 4 = 180

  • \sf21x  - 9 = 180

  • \sf21x = 180 + 9

  • \sf x =  \dfrac{189}{21}

  • \sf x = 9 \degree

Hence, value of x is 9°

AlexFokin [52]3 years ago
3 0

Answer:

  • x = 9

Step-by-step explanation:

<u>Sum of interior angles is 180:</u>

  • (13x + 2) + (5x - 7) + (3x - 4) = 180
  • 21x - 9 = 180
  • 21x = 189
  • x = 189/21
  • x = 9
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