document.write( "Question 356539: Solve the system by the method of substitution.
\n" ); document.write( "6x-3y-4=0
\n" ); document.write( "x+2y-4=0
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Algebra.Com's Answer #254527 by Alan3354(69443)\"\" \"About 
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6x-3y-4=0
\n" ); document.write( "x+2y-4=0 --> x = 4-2y
\n" ); document.write( "Sub for x in the 1st equation.
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