document.write( "Question 799891: solve the following system using substitution
\n" ); document.write( "y=-3x+4
\n" ); document.write( "y=2x-11
\n" ); document.write( "

Algebra.Com's Answer #482866 by ankor@dixie-net.com(22740)\"\" \"About 
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y=-3x+4
\n" ); document.write( "y=2x-11
\n" ); document.write( ":
\n" ); document.write( "Replace y in the first equation by 2x-11
\n" ); document.write( "2x - 11 =-3x + 4
\n" ); document.write( "2x + 3x = 4 + 11
\n" ); document.write( "5x = 15
\n" ); document.write( "x = 3
\n" ); document.write( ":
\n" ); document.write( "You can find y
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