document.write( "Question 168076: the sum of twice the supplement of an angle and three times its compliment is 711 degrees. What is its angle? \n" ); document.write( "
Algebra.Com's Answer #130994 by bhembhe(4)![]() ![]() ![]() You can put this solution on YOUR website! x-> angle \n" ); document.write( "180-x -> supplement \n" ); document.write( "90-x -> complement\r \n" ); document.write( "\n" ); document.write( "working equation:\r \n" ); document.write( "\n" ); document.write( "2(180-x) + 3(90-x) = 711 \n" ); document.write( "360-2x+270-3x = 711 \n" ); document.write( "-5x+ 630 = 711 \n" ); document.write( "-5x = 81 \n" ); document.write( "x = -16.2 degrees \n" ); document.write( " |