document.write( "Question 783281: Select the ordered pair from the choices below that is a solution to the following system of equations:
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document.write( "8x - 2 = y
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document.write( "5y - 12x = -3\r
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document.write( "A. (1, 6)
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document.write( "B. (1/4, 0)
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document.write( "C. (-2, -18)
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document.write( "D. (1/2, 2)\r
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document.write( "Please help ! \n" );
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Algebra.Com's Answer #476772 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! y - 8x = -2...1 \n" ); document.write( "5y - 12x = -3...2 \n" ); document.write( "Multiply (1) by 5 \n" ); document.write( "5y - 40x = -10...3 \n" ); document.write( "5y - 12x = -3....2 \n" ); document.write( "Subtract (2) from (3) \n" ); document.write( " -28x = -7 \n" ); document.write( " x = 1/4 \n" ); document.write( "Substitute x = 1/4 in (1) \n" ); document.write( "y - 8(1/4) = -2 \n" ); document.write( "y - 2 = -2 \n" ); document.write( "y = 0 \n" ); document.write( "{1/4, 0} \n" ); document.write( "B \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " \n" ); document.write( " |