document.write( "Question 416110: Simultaneous Equations: sorry didnt see Cat. for that:
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document.write( "Solve for x,y, and z:
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document.write( " x + 2y + z = 2
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document.write( " 5x = z
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document.write( " y = -2x \n" );
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Algebra.Com's Answer #291595 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x + 2y + z = 2 \n" ); document.write( " 5x = z \n" ); document.write( " y = -2x\r \n" ); document.write( "\n" ); document.write( "substitute the value of z & y in first equation\r \n" ); document.write( "\n" ); document.write( "x+2*(-2x)+5x=2 \n" ); document.write( "x-4x+5x=2 \n" ); document.write( "2x=2 \n" ); document.write( "/2 \n" ); document.write( "x=1 \n" ); document.write( ".. \n" ); document.write( "y=-2 \n" ); document.write( ".. \n" ); document.write( "z=5 \n" ); document.write( " |