document.write( "Question 49993: (37+(-7))+[1+(-1)]= \n" ); document.write( "

Algebra.Com's Answer #33220 by alka(15) $\"\"$ $\"About$

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(37-7)+[1-1]
\n" ); document.write( "= (30)+[0]
\n" ); document.write( "=30 \n" ); document.write( "

\n" );