document.write( "Question 824442: the sum of three times an angle and twice its complement is 215. what are the measures of the angle? \n" ); document.write( "
Algebra.Com's Answer #496495 by algebrahouse.com(1659)![]() ![]() You can put this solution on YOUR website! x = the angle \n" ); document.write( "90 - x = its complement\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 2(90 - x) = 215 {sum of three times the angle and its complement is 215} \n" ); document.write( "3x + 180 - 2x = 215 {used distributive property} \n" ); document.write( "x + 180 = 215 {combined like terms} \n" ); document.write( "x = 35 {subtracted 180 from each side} \n" ); document.write( "90 - x = 55 {substituted 35, in for x, into 90 - x}\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the angle is 35° \n" ); document.write( "its complement is 55° \n" ); document.write( " For more help from me, visit: www.algebrahouse.com \n" ); document.write( " |