document.write( "Question 937963: Solve the system by substitution and elimination method \r
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document.write( "3x+y=4
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document.write( "2y-8=-6x \n" );
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Algebra.Com's Answer #571341 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3 x + 1 y = 4 .............1 \n" ); document.write( " \n" ); document.write( "6 x + 2 y = 8 .............2 \n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by -2 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "-6 x -2 y = -8 \n" ); document.write( "6 x + 2 y = 8 \n" ); document.write( "Add the two equations \n" ); document.write( "0 x = 0 \r \n" ); document.write( "\n" ); document.write( "There is no solution\r \n" ); document.write( "\n" ); document.write( "The graph of the lines are the same \n" ); document.write( " |