document.write( "Question 307584: please help\r
\n" ); document.write( "\n" ); document.write( "substitution method:\r
\n" ); document.write( "\n" ); document.write( "6x - y = 10
\n" ); document.write( " y = -3/4x - 1\r
\n" ); document.write( "\n" ); document.write( "thanks
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Algebra.Com's Answer #220041 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
substitution method:
\n" ); document.write( "6x - y = 10
\n" ); document.write( "y = -3/4x - 1
\n" ); document.write( "--------------
\n" ); document.write( "Sub for y into the 1st eqn
\n" ); document.write( "substitution method:
\n" ); document.write( "6x - y = 10
\n" ); document.write( "6x - (-3x/4 - 1) = 10
\n" ); document.write( "6x + 3x/4 + 1 = 10
\n" ); document.write( "27x/4 = 9
\n" ); document.write( "27x = 36
\n" ); document.write( "x = 4/3
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