document.write( "Question 1174050: -3-(-7)=\r
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Algebra.Com's Answer #799419 by ikleyn(52865) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The rule is SIMPLE:\r
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\n" ); document.write( "\n" ); document.write( "        when you see the sign \" - \" before parentheses, you may take it off, together with parentheses, \r
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\n" ); document.write( "\n" ); document.write( "        but then you MUST change the signs of the terms (numbers) inside these parentheses to opposite.\r
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\n" ); document.write( "\n" ); document.write( "            -3 - (-7) = -3 + 7 = 4.     ANSWER\r
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\n" ); document.write( "\n" ); document.write( "Solved, answered and explained.     And completed.\r
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