document.write( "Question 570073: How do I work this problem: 64-6[15+2(-3+8)]? I have tried five times using PEMDAS without success in getting to the answer of -86. Thank you. \n" ); document.write( "
Algebra.Com's Answer #367524 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! 64-6[15+2(-3+8)] ... Start with the given expression\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "64-6[15+2(5)] ... Add -3 to 8 to get 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "64-6[15+10] ... Multiply 2 and 5 to get 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "64-6[25] ... Add 15 to 10 to get 25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "64-150 ... Multiply -6 and 25 to get -150\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-86 ... Subtract 150 from 64 to get -86\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So 64-6[15+2(-3+8)] = -86 \n" ); document.write( " |