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Solve for X *(5x + 3)"(2x + 16)A) 23C) 22B) 21D) 27

User KeySee
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1 Answer

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The sum of angles on a line is 180 degrees. So, the sum of the angles 2x+16 and 5x+3 is 180 degrees . So


\begin{gathered} 2x+16+5x+3=180 \\ (2x+5x)+(16+3)=180 \\ 7x+19=180 \\ 7x=180-19 \\ 7x=161 \\ x=(161)/(7)=23 \\ \end{gathered}

The value of x is 23.

User Steffy
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