document.write( "Question 645038: I am an older student and just can't get the answer to this question. \r
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document.write( "Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
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document.write( "-12x + 27y = 60
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document.write( "-6x – 6y = 30
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Algebra.Com's Answer #405359 by MathTherapy(10552)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "I am an older student and just can't get the answer to this question. \r \n" ); document.write( "\n" ); document.write( "Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. \n" ); document.write( "-12x + 27y = 60 \n" ); document.write( "-6x – 6y = 30 \n" ); document.write( " \r \n" ); document.write( "\n" ); document.write( "- 12x + 27y = 60 ----- eq (i) \n" ); document.write( "- 6x - 6y = 30 ------- eq (ii)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- 12x + 27y = 60 ----- eq (i) \n" ); document.write( "12x + 12y = - 60 ---- Multiplying eq (ii) by - 2 ------ eq (iii) \n" ); document.write( "39y = 0 ------ Adding eqs (iii) and (i) to ELIMINATE x \n" ); document.write( "y = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- 12x + 27(0) = 60 ---- Sustituting 0 for y in eq (i)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "- 12x = 60\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You can do the check!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |