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lord [1]
3 years ago
10

Helppp no links pls

Mathematics
1 answer:
hram777 [196]3 years ago
8 0

Step-by-step explanation:

7x-40=3x+3x-20 {exterior angle of triangle is equal to the sum of its opposite interior angle}

  • 7x-6x= -20+40
  • x= 20

hope it helps

<h3>stay safe healthy and happy.</h3>
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