Question

Find x.. lines and angles chapter. plz solve ​

Answer 1

Pls mark as brainliest answer

x=40

Answer 2

$\sf{\red{\boxed{\huge{Solution}}}}$

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• Given angles are linear pair
• We know that sum of linear pair is 180

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$\sf: \implies\: {\bold{ 3x + 20 + 2x - 40 = 180}}$

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$\sf: \implies\: {\bold{ 5x - 20 = 180 }}$

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$\sf: \implies\: {\bold{ 5x = 180 + 20 }}$

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$\sf: \implies\: {\bold{ 5x = 200}}$

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$\sf: \implies\: {\bold{ x = \dfrac{200}{5}}}$

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$\sf: \implies\: {\bold{ x = 40 }}$

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