document.write( "Question 796583: an angle is 20 more than three times of given angle if the two angles are supplementery? the angles are \n" ); document.write( "
Algebra.Com's Answer #481448 by waynest(281) ![]() You can put this solution on YOUR website! 1st angle = x \n" ); document.write( "2nd angle = 3x + 20\r \n" ); document.write( "\n" ); document.write( "x + (3x + 20) = 180 \n" ); document.write( "4x + 20 = 180 \n" ); document.write( "4x + 20 - 20 = 180 - 20 \n" ); document.write( "4x = 160 \n" ); document.write( "4x/4 = 160/4 \n" ); document.write( "x = 40\r \n" ); document.write( "\n" ); document.write( "check: \n" ); document.write( "40 + (3(40) + 20) = 180 \n" ); document.write( "40 + (120 + 20) = 180 \n" ); document.write( "40 + 140 = 180 \n" ); document.write( "180 = 180 \n" ); document.write( " |