document.write( "Question 710846: x = -4y
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document.write( "3x + 2y = 20 \n" );
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Algebra.Com's Answer #437205 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! Hint: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 2y = 20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3(-4y) + 2y = 20 ... plug in x = -4y (ie replace 'x' with '-4y')\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now solve 3(-4y) + 2y = 20 for y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Once you have the solution for y, use it to find the solution for x. \n" ); document.write( " |