document.write( "Question 104564: 4 + /r+2/ = 7 \n" ); document.write( "
Algebra.Com's Answer #76079 by edjones(8007)\"\" \"About 
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4+|r+2|=7
\n" ); document.write( "|r+2|=3
\n" ); document.write( ".
\n" ); document.write( "r+2=3
\n" ); document.write( "r=3-2
\n" ); document.write( "r=1
\n" ); document.write( ".
\n" ); document.write( "r+2=-3
\n" ); document.write( "r=-3-2
\n" ); document.write( "r=-5
\n" ); document.write( ".
\n" ); document.write( "Check:
\n" ); document.write( "4+|1+2|=7 true
\n" ); document.write( "4+|-5+2|=7 true
\n" ); document.write( ".
\n" ); document.write( "Ed
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