document.write( "Question 373777: 5a-(a+b)-[2a-b-(3a+5b)] I don't understand how to do this problem. \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "simplifying\n" ); document.write( "5a-(a+b)-[2a-b-(3a+5b)]\n" ); document.write( "5a-(a+b)-[2a-b-3a-5b]\n" ); document.write( "5a-(a+b)-[-a-6b]\n" ); document.write( "5a-(a+b)+a+6b\n" ); document.write( "5a-a-b+a+6b\n" ); document.write( "5a + 5b