document.write( "Question 159023: An angle measures 12 degrees less than three times its supplement. Find the measure of the angle \n" ); document.write( "
Algebra.Com's Answer #117186 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 3x-12+x=180 \n" ); document.write( "4x=180+12 \n" ); document.write( "4x=192 \n" ); document.write( "x=192/4 \n" ); document.write( "x=48 degrees for the smaller angle. \n" ); document.write( "Proof: \n" ); document.write( "3*48-12+48=180 \n" ); document.write( "144-12+48=180 \n" ); document.write( "180-180 \n" ); document.write( " \n" ); document.write( " |