document.write( "Question 412580: solve each system using substitution\r
\n" ); document.write( "\n" ); document.write( "y=3x+11
\n" ); document.write( "y=-2x+1
\n" ); document.write( "

Algebra.Com's Answer #289768 by Alan3354(69443)\"\" \"About 
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y=3x+11
\n" ); document.write( "y=-2x+1
\n" ); document.write( "--------
\n" ); document.write( "Sub for y in the 1st eqn
\n" ); document.write( "-2x+1 = 3x+11
\n" ); document.write( "solve for x
\n" ); document.write( "Sub for x, solve for y
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