Respuesta :

chetankachana

Answer:

10x - 10 = 180

Step-by-step explanation:

Simplify:

  • (7x - 1) + (3x - 9) = 180
  • 7x - 1 + 3x - 9 = 180°
  • 10x - 1 - 9 = 180°
  • 10x - 10 = 180

[tex]\boxed{\text{The answer is 10x - 10 = 180}}[/tex]

-Chetan K

Interesting11

Answer/Step-by-step explanation:

You add the angle measures up so (7x-1)+(3x-9)=180

Add the variables together and the numbers together.

10x-10=180

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