Thuhuyen4111
Thuhuyen4111 Thuhuyen4111
  • 18-03-2021
  • Mathematics
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Plzzzz helppp meeee!!!!
ASAP!!!

Plzzzz helppp meeee ASAP class=

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cookiekitty5566
cookiekitty5566 cookiekitty5566
  • 18-03-2021

Answer:

x = 7

Step-by-step explanation:

The Triangle Sum Theorem tells us that the sum of the measures of a triangle's interior angles is 180. Using this information, we can make an equation to solve for x.

82 + 9x - 6 + 6x - 1 = 180

75 + 15x = 180    (Combine like terms)

15x = 105            (Subtract 75 from both sides)

x = 7                    (Divide both sides by 15)

We can plug the value of x back into the equation to make sure of this answer.

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