document.write( "Question 384964: 6. Which expression can be substituted for y in the bottom equation of the system below to solve the system by substitution?\r
\n" ); document.write( "\n" ); document.write( " y – 3x = 4
\n" ); document.write( " 3y + 2x = 1\r
\n" ); document.write( "\n" ); document.write( " 1. 3x + 4
\n" ); document.write( " 2. 2/3x + 1
\n" ); document.write( " 3. 1 – 2x
\n" ); document.write( " 4. x = 4 – 3x\r
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Algebra.Com's Answer #272447 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
number 1
\n" ); document.write( "y-3x+4
\n" ); document.write( "is the same as
\n" ); document.write( "y=3x+4
\n" ); document.write( "------
\n" ); document.write( "3(3x+4)+2x=1
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