document.write( "Question 643438: solve 3a+b+c=7 a+3b-c 2a-1=b \n" ); document.write( "
Algebra.Com's Answer #404485 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "There is a typo because \"a+3b-c\" is not an equation \r\n" );
document.write( "because it does not have an = sign. If you will write \r\n" );
document.write( "the correct equation in the thank-you note, we will help you.\r\n" );
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document.write( "Edwin
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