Question

Please Answer.....I will mark brainliest​

Answer 1

Answer:

(3x+2)+(7x-12)=180 by linear pair and solve

Step-by-step explanation:

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Answer 2

$3x+2^o + 7x -12^o = 180^o$ [linear pair]

$3x + 7x +2^o -12^o = 180^o$

$10x - 10^o = 180^o$

$10x = 190^o$

$x = \frac{190^o}{10}$

$x = 19^o$