mholmes2007
mholmes2007 mholmes2007
  • 21-10-2021
  • Mathematics
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inspirationalgdandyt
inspirationalgdandyt inspirationalgdandyt
  • 21-10-2021

Answer:

x=21

Step-by-step explanation:

10+2x+128=180 [Angles in a straight line]

2x=180-138

x=42/2

x=21

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