elsielopez345 elsielopez345
  • 08-12-2021
  • Mathematics
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What is the value of x?

What is the value of x class=

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Аноним Аноним
  • 09-12-2021

Answer:

x = 10.

Step-by-step explanation:

(5x-1) + (8x+5) + (4x+6) = 180   (the 3 angles in a triangle sum to 180 degrees).

5x + 8x+ 4x - 1 + 5 +6  = 180

17x + 10 = 180

17x = 170

x = 10.

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