document.write( "Question 522936: 3x+6y=33
\n" ); document.write( "-8x+y=65\r
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\n" ); document.write( "\n" ); document.write( "Solve by substiution- algebra
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Algebra.Com's Answer #347099 by mananth(16946)\"\" \"About 
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3x+6y=33 .............1
\n" ); document.write( "y=65+8x
\n" ); document.write( "y=65+8x
\n" ); document.write( "Substitute y in (1)
\n" ); document.write( "3x+6(65 +8x)= 33
\n" ); document.write( "3x+390+48x= 33
\n" ); document.write( "3x+48x=33-390
\n" ); document.write( "51x=-357
\n" ); document.write( "/51
\n" ); document.write( "x=-7
\n" ); document.write( "Plug the value of x in (1)
\n" ); document.write( "3x+6y=33
\n" ); document.write( "3*-7+6y=33
\n" ); document.write( "-21+6y=33
\n" ); document.write( "6y=54
\n" ); document.write( "/6
\n" ); document.write( "y= 9
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