document.write( "Question 15374: a friend has trouble simplifing 20-(-38).Explain how to solve this problem \n" ); document.write( "
Algebra.Com's Answer #7621 by rapaljer(4671)\"\" \"About 
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The negative of a negative is a positive. For example, -(-4) = 4, -(-6) = 6, -(-38) = 38, etc.\r
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\n" ); document.write( "\n" ); document.write( "Also, subtracting a negative is the same as adding a positive.\r
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\n" ); document.write( "\n" ); document.write( "So 20 -(-38) = 20 + 38 = 58\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC
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