document.write( "Question 211422This question is from textbook geometry
\n" ); document.write( ": x+2x-16=180\r
\n" ); document.write( "\n" ); document.write( "3x-y
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Algebra.Com's Answer #159777 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
I can solve for x in the equation, but I have no idea what to do with the 3x-y.\r
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\n" ); document.write( "\n" ); document.write( "x+ 2x -16 = 180
\n" ); document.write( "3x -16 = 180
\n" ); document.write( "3x = 180 + 16
\n" ); document.write( "3x = 196
\n" ); document.write( "x = 196/3\r
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\n" ); document.write( "\n" ); document.write( "R^2
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