document.write( "Question 457123: Can someone help me find the solution of this system using the substition method?
\n" ); document.write( "3x + 7y = 5
\n" ); document.write( "-4x +y = 14
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Algebra.Com's Answer #313676 by Alan3354(69443)\"\" \"About 
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3x + 7y = 5
\n" ); document.write( "-4x +y = 14
\n" ); document.write( "-----------
\n" ); document.write( "-4x +y = 14
\n" ); document.write( "--> y = 4x + 14
\n" ); document.write( "Sub for y in the 1st equation
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