document.write( "Question 731713: Use the substitution method to solve the following system.\r
\n" ); document.write( "\n" ); document.write( "3x+2y=8
\n" ); document.write( "x+4y=-4
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Algebra.Com's Answer #447264 by Alan3354(69443)\"\" \"About 
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Use the substitution method to solve the following system.\r
\n" ); document.write( "\n" ); document.write( "3x+2y=8
\n" ); document.write( "x+4y=-4 --> x = -4y - 4
\n" ); document.write( "Sub for x in the 1st equation.
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