document.write( "Question 408647: How do you work the problem 18 = -a + 2 \n" ); document.write( "
Algebra.Com's Answer #287800 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"18+=+-a+%2B+2\"......add \"a\" to both sides\r
\n" ); document.write( "\n" ); document.write( "\"18%2Ba+=+-a%2Ba%2B+2\"\r
\n" ); document.write( "\n" ); document.write( "\"18%2Ba+=+-cross%28a%29%2Bcross%28a%29%2B+2\"\r
\n" ); document.write( "\n" ); document.write( "\"18%2Ba+=+2\"..........add \"-18\" to both sides\r
\n" ); document.write( "\n" ); document.write( "\"18%2Ba+-18+=+2-18\"\r
\n" ); document.write( "\n" ); document.write( "\"cross%2818%29%2Ba+-cross%2818%29+=+-16\"\r
\n" ); document.write( "\n" ); document.write( "\"a=-16\"
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