document.write( "Question 471405: Solve by substitution method and what is the solution set?
\n" ); document.write( "15x-10y=5
\n" ); document.write( "15y=-6+15x
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Algebra.Com's Answer #323291 by faceoff57(108)\"\" \"About 
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15x - 10y = 5
\n" ); document.write( "15y = 6 + 15x\r
\n" ); document.write( "\n" ); document.write( "15x - 10y = 5
\n" ); document.write( "15x = 10y + 5
\n" ); document.write( "x = 10/15y + 5/15\r
\n" ); document.write( "\n" ); document.write( "15y = 6 + 15(10/15y + 5/15)
\n" ); document.write( "15y = 6 + 10y + 5
\n" ); document.write( "15y = 10y + 11
\n" ); document.write( "15y - 10y = 11
\n" ); document.write( "5y = 11
\n" ); document.write( "y = 11/5 or 2 1/5\r
\n" ); document.write( "\n" ); document.write( "15x - 10(11/5) = 5
\n" ); document.write( "15x - 22 = 5
\n" ); document.write( "15x = 27
\n" ); document.write( "x = 27/15 or 1 12/15
\n" ); document.write( "(27/15, 11/5)
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