document.write( "Question 430418: Solve systems by using elimination method.\r
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document.write( "3x=3+2y
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document.write( "-4/3x+y=1/3 \n" );
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Algebra.Com's Answer #298935 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3 x + -2 y = 3 .............1\r \n" ); document.write( "\n" ); document.write( "-4x/3 +y = 1/3 \n" ); document.write( "multiply by 3 \n" ); document.write( "-4x+3y=1.............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 3 \n" ); document.write( "Multiply (2) by 2 \n" ); document.write( "9x-6y=9 \n" ); document.write( "-8x+6y=2 \n" ); document.write( "Add the two equations \n" ); document.write( "x=11 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "3x-2y=3 \n" ); document.write( "33-2y=3 \n" ); document.write( "-2y=3-33 \n" ); document.write( "-2y=-30 \n" ); document.write( "y=15 \n" ); document.write( "CHECK \n" ); document.write( " \n" ); document.write( "3 x -2 y = 3 \n" ); document.write( "33 -30 = 3 \n" ); document.write( " 3 = 3 \n" ); document.write( " \n" ); document.write( " |