document.write( "Question 868358: Group the terms with variables on one side of the equal sign, and simplify.\r
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Algebra.Com's Answer #523500 by jim_thompson5910(35256)\"\" \"About 
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Add 7s to both sides to get\r
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\n" ); document.write( "\n" ); document.write( "-7s + 12 = -9s\r
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\n" ); document.write( "\n" ); document.write( "-7s + 12 +7s = -9s +7s\r
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\n" ); document.write( "\n" ); document.write( "12 = -2s \r
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\n" ); document.write( "\n" ); document.write( "Notice how the -7s and the +7s on the left side add to 0s or just 0 (and it goes away).
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