Math, asked by junaid2009april20, 5 hours ago

(2x + 10)° + (7x - 30)° = 180°

Answers

Answered by prabhatkumar10

0

Answer:

2x + 10 + 7x - 30 = 180

=9x - 20 = 180

=9x = 180 + 20

=9x = 200

=x = 200/9

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