document.write( "Question 471405: Solve by substitution method and what is the solution set?
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document.write( "15x-10y=5
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document.write( "15y=-6+15x
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Algebra.Com's Answer #323291 by faceoff57(108)![]() ![]() You can put this solution on YOUR website! 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) \n" ); document.write( " |