document.write( "Question 201706: find angle A if it supplements angle B which is equal to 70-x \n" ); document.write( "
Algebra.Com's Answer #151934 by RAY100(1637)![]() ![]() ![]() You can put this solution on YOUR website! A + B = 180,,,,def supplementary \n" ); document.write( ". \n" ); document.write( "B= (70-x),,,,given \n" ); document.write( ". \n" ); document.write( "A +(70-x) =180 \n" ); document.write( ". \n" ); document.write( "A + (70-x) = 180 \n" ); document.write( ". \n" ); document.write( "A = 180 -70 +x \n" ); document.write( ". \n" ); document.write( "A= 110 +x \n" ); document.write( ". \n" ); document.write( "check, x=10, (70-x) =60,,,A=120,,,answer,,,110+10=120,,,,ok \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |