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15 votes
Find the x

please help me asap​

Find the x please help me asap​-example-1

1 Answer

8 votes

Sum of two interiors=Exterior


\\ \rm\Rrightarrow 39+6x+11=11x-10


\\ \rm\Rrightarrow 6x+50=11x-10


\\ \rm\Rrightarrow 60=5x


\\ \rm\Rrightarrow x=12

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