document.write( "Question 555080: For the following system, use the second equation to make a substitution for y in the first equation. \r
\n" ); document.write( "\n" ); document.write( "2x + y = 6
\n" ); document.write( "y = 3x + 4 \r
\n" ); document.write( "\n" ); document.write( "What is the resulting equation?
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Algebra.Com's Answer #361618 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
(1) \"+2x+%2B+y+=+6+\"
\n" ); document.write( "(2) \"+y+=+3x+%2B+4+\"
\n" ); document.write( "-------------
\n" ); document.write( "(1) \"+2x+%2B+3x+%2B+4+=+6+\"
\n" ); document.write( "(1) \"+5x+%2B+4+=+6+\"
\n" ); document.write( "(1) \"+5x+=+2+\"
\n" ); document.write( "(1) \"+x+=+2%2F5+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+y+=+3x+%2B+4+\"
\n" ); document.write( "(2) \"+y+=+3%2A%282%2F5%29+%2B+4+\"
\n" ); document.write( "(2) \"+y+=+6%2F5+%2B+20%2F5+\"
\n" ); document.write( "(2) \"+y+=+26%2F5+\"
\n" ); document.write( "(2/5,26/5)
\n" ); document.write( "check answer:
\n" ); document.write( "(1) \"+2x+%2B+y+=+6+\"
\n" ); document.write( "(1) \"+2%2A%282%2F5%29+%2B+26%2F5+=+6+\"
\n" ); document.write( "(1) \"+4%2F5+%2B+26%2F5+=+6+\"
\n" ); document.write( "(1) \"+4+%2B+26+=+30+\"
\n" ); document.write( "(1) \"+30+=+30+\"
\n" ); document.write( "-------------
\n" ); document.write( "(2) \"+y+=+3x+%2B+4+\"
\n" ); document.write( "(2) \"+26%2F5+=+3%2A%282%2F5%29+%2B+4+\"
\n" ); document.write( "(2) \"+26+=+6+%2B+4%2A5+\"
\n" ); document.write( "(2) \"+26+=+26+\"
\n" ); document.write( "OK
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