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Find the value of x in the picture

Find the value of x in the picture-example-1
User Froskoy
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1 Answer

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Here,
(3x + 18)° + 93° = 180°
=> 3x + 18 + 93 = 180
=> 3x = 180 - 111
=> x = 69/3
=> x = 23
User Hawkzey
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