document.write( "Question 315650: this is my problem.\r
\n" ); document.write( "\n" ); document.write( "-10-(-12)+(-7)-4 (this is how I worked it.
\n" ); document.write( "-10+(12)+(7)+ -4
\n" ); document.write( "2 +7 +-4
\n" ); document.write( "9+ -4= 5. \r
\n" ); document.write( "\n" ); document.write( "I know the answer is -9 but im not sure what step I am missing. I know that if there is a negative you do the opposite, but this confuses me on the
\n" ); document.write( "(-12)+(-7)-4. I thought that if there is a plus sign you leave it alone and only change negative numbers. please explain. Thank you in advance for the help.
\n" ); document.write( " shanda
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Algebra.Com's Answer #225833 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
this is my problem.
\n" ); document.write( "-10-(-12)+(-7)-4
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\n" ); document.write( "-10+(12)+(-7)+ -4
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\n" ); document.write( "-10+12-7-4
\n" ); document.write( "---
\n" ); document.write( "-10-7-4 + 12
\n" ); document.write( "---
\n" ); document.write( "-12 + 12
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\n" ); document.write( "-9
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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