document.write( "Question 491663: 2x+18y=22
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document.write( "-x-9y=-11 \n" );
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Algebra.Com's Answer #334719 by oberobic(2304) ![]() You can put this solution on YOUR website! By inspection, you an see these two equations are closely related: \n" ); document.write( "2x + 18y = 22 \n" ); document.write( "Divide both sides by 2 \n" ); document.write( "x + 9y = 22 \n" ); document.write( "Multiply both sides by -1 \n" ); document.write( "-x -9y = -11 \n" ); document.write( "... \n" ); document.write( "2x + 18y = 22 \n" ); document.write( "18y = -2x +22 \n" ); document.write( "y = -2/18*x + 22/18 \n" ); document.write( "y = -1/9*x + 11/9 \n" ); document.write( "... \n" ); document.write( "-x -9y = -11 \n" ); document.write( "-9y = x -11 \n" ); document.write( "y = -1/9*x + 11/9 \n" ); document.write( "... \n" ); document.write( "When x = 11, y = 0 \n" ); document.write( "and when x = 0, y = 11/9 \n" ); document.write( "... \n" ); document.write( " |