document.write( "Question 1052089: Systems of equations in three variables HELP!!
\n" ); document.write( "a+b=3
\n" ); document.write( "-b+c=3
\n" ); document.write( "a+2c=10
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Algebra.Com's Answer #667503 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
How do you WANT to solve it?\r
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\n" ); document.write( "\n" ); document.write( "\"a%2Bb%2B%28-b%2Bc%29=3%2B3\"
\n" ); document.write( "\"a%2Bc=6\"\r
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\n" ); document.write( "\n" ); document.write( "Simpler system:
\n" ); document.write( "\"system%28a%2Bc=6%2Ca%2B2c=10%29\"\r
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\n" ); document.write( "\n" ); document.write( "Elimination passage to keep c.
\n" ); document.write( "\"a%2B2c-%28a%2Bc%29=10-6\"
\n" ); document.write( "\"highlight%28c=4%29\"---------Try this in the second equation of your list.\r
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\n" ); document.write( "\n" ); document.write( "\"-b%2Bc=3\"
\n" ); document.write( "\"b-c=-4\"
\n" ); document.write( "\"b=-4%2Bc\"
\n" ); document.write( "\"b=-4%2B4\"
\n" ); document.write( "\"highlight%28b=0%29\"
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