document.write( "Question 320621: Solve the following systems of equations using any method. \r
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document.write( "( c ) 2.4 x = 2.2 y – 3.2
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document.write( " 1.6 x + 1.2 y = 3.2 \n" );
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Algebra.Com's Answer #229613 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 2.4 x = 2.2 y – 3.2 \n" ); document.write( "1.6 x + 1.2 y = 3.2 \n" ); document.write( "whenever there are decimal equations \n" ); document.write( "multiply the equations by 10 if there is 1 decimal and by 100 if there are 2 decimals. It makes your life easy. \n" ); document.write( ".. \n" ); document.write( "There is only one decimal \n" ); document.write( "24x-22y=-32............. equation 1 \n" ); document.write( "16x+12y=32 ............. equation 2 \n" ); document.write( ".. \n" ); document.write( "multiply equation 1 by 2 and equation 2 by 3 and subtract to eliminate x \n" ); document.write( "48x-44y=-64 \n" ); document.write( "48x+36y=96 \n" ); document.write( ".. \n" ); document.write( "48x-44y-48x-36y=-64-96 \n" ); document.write( "-80x=-160 \n" ); document.write( "x=2 \n" ); document.write( "plug the value of x in equation 1 \n" ); document.write( "48-22y=-32 \n" ); document.write( "-22y=-80 \n" ); document.write( "y=3.64 \n" ); document.write( " |