document.write( "Question 884777: How do you find the measure of angle A if A=2x+3 and B=3x+2 and they are supplementary angles? \n" ); document.write( "
Algebra.Com's Answer #534656 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! They are supplementary angles. So they add to 180 degrees.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A+B = 180\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(2x+3)+(3x+2) = 180\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2x+3+3x+2 = 180\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x+5 = 180\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x = 180-5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x = 175\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 175/5\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = 35\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then use this to find angle A\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = 2x+3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = 2*35+3\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A = 73 degrees \n" ); document.write( " |