document.write( "Question 786084: What is the sum of -13 + 5 + (-7) ?
\n" ); document.write( "Is it -15 ?
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Algebra.Com's Answer #477820 by lenny460(1073)\"\" \"About 
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What is the sum of -13 + 5 + (-7) ?
\n" ); document.write( "Is it -15 ?\r
\n" ); document.write( "\n" ); document.write( "-13 + 5 = -8\r
\n" ); document.write( "\n" ); document.write( "-8 + (-7) = -15\r
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\n" ); document.write( "\n" ); document.write( "Answer:\r
\n" ); document.write( "\n" ); document.write( "-15
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