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What is the value of x? 19x-90 V 12x+500 8x+690 U

What is the value of x? 19x-90 V 12x+500 8x+690 U
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What is the value of x? 19x-90 V 12x+500 8x+690 U

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User Nathan Friedly
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We know that the summ of all angles should be equal to 360 so:


55+8x+69+19x-9+12x+50=360

and we solve for x so:


\begin{gathered} 39x=360-165 \\ x=(195)/(39) \\ x=5 \end{gathered}

answered
User Yury Kaspiarovich
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