document.write( "Question 1029402: if a+b=5 and a-b=-7 What is the value of a and b \n" ); document.write( "
Algebra.Com's Answer #644445 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! a+b=5 \n" ); document.write( "a-b=-7 \n" ); document.write( "Let's add these equations and get \n" ); document.write( "2a = -2 \n" ); document.write( "so that \n" ); document.write( "a = -1 \n" ); document.write( "and \n" ); document.write( "-1 + b = 5 \n" ); document.write( "b = 6 \n" ); document.write( " |