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)\"\" \"About 
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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( "
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