helpmeplssbe helpmeplssbe
  • 25-02-2021
  • Mathematics
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help due in a few minutes​

help due in a few minutes class=

Respuesta :

kiranicoleg
kiranicoleg kiranicoleg
  • 25-02-2021

Answer:

x = 15

Step-by-step explanation:

All angles add up to 180

so,

2x + 4x + 10 + 6x - 10 = 180

combine like terms

12x = 180

divide by 12

x = 15

check it by plugging it in

2x = 2(15) = 30

4x + 10 = 4(15) + 10 = 70

6x - 10 = 6(15) - 10 = 80

30 + 70 + 80 = 180

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