document.write( "Question 27443: Trying to figure out this elimination problem:
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document.write( "3X + 5Y= 0
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document.write( "2X - 5Y= -25 \n" );
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Algebra.Com's Answer #14946 by prabhjyot(165)![]() ![]() ![]() You can put this solution on YOUR website! 3x+5y = 0 \n" ); document.write( " 2x-5y = -25\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Using Substitution Method.\r \n" ); document.write( "\n" ); document.write( "Expressing x as a function of y (from the first equation) x = (0 -5y)/3\r \n" ); document.write( "\n" ); document.write( "Substituting this expression into the second equation:\r \n" ); document.write( "\n" ); document.write( " 2(0+5y)/3-5y = -25\r \n" ); document.write( "\n" ); document.write( "Simplifying this expression:\r \n" ); document.write( "\n" ); document.write( " (-25)y = -75\r \n" ); document.write( "\n" ); document.write( "or\r \n" ); document.write( "\n" ); document.write( " y = 3\r \n" ); document.write( "\n" ); document.write( " Now, substituting y = 3 back into the x expressed as a function of y:\r \n" ); document.write( "\n" ); document.write( " x = (0-5y)/3 = -5 \n" ); document.write( " \n" ); document.write( " |