document.write( "Question 950616: The question to the problem is, \"The larger of the two numbers is eight more than four times smaller. If the larger is increased by four times the smaller the result is 40. Find the numbers using elimination.\" I need help setting up the equations. \n" ); document.write( "
Algebra.Com's Answer #580475 by josgarithmetic(39630)\"\" \"About 
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Make the equations exactly as described. Nothing strange here. Some lack of clarity in , \"increased by four times the smaller\". That does not mean \"more than\" or \"less than\".\r
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\n" ); document.write( "\n" ); document.write( "x and y, the numbers, \"x%3Cy\".\r
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\n" ); document.write( "\n" ); document.write( "\"system%28y=8%2B4x%2C%28y%2A4x%29=40%29\".
\n" ); document.write( "Elimination Method is not applicable here.\r
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\n" ); document.write( "\n" ); document.write( "\"y%2Ax=10\", simplified second part.
\n" ); document.write( "\"%288%2B4x%29%2Ax=10\", substituted for y from first part.
\n" ); document.write( "\"%284%2B2x%29x=5\"
\n" ); document.write( "\"2x%5E2%2B4x=5\"
\n" ); document.write( "\"2x%5E2%2B4x-5=0\"\r
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\n" ); document.write( "\n" ); document.write( "Factorable?
\n" ); document.write( "(2x____5)(x____1), no.
\n" ); document.write( "(2x____1)(x_____5), no.\r
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\n" ); document.write( "\n" ); document.write( "Discriminant to prepare for general quadratic formula solution:
\n" ); document.write( "\"16-4%2A2%2A%28-5%29\"
\n" ); document.write( "\"16%2B8%2A5\"
\n" ); document.write( "\"56\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=%28-4%2B-+sqrt%2856%29%29%2F4\"
\n" ); document.write( "\"x=%28-4%2B-+2%2Asqrt%2814%29%29%2F4\"
\n" ); document.write( "\"x=%28-2%2B-+sqrt%2814%29%29%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "Trying just the plussquare root form,
\n" ); document.write( "\"y=8%2B4x=8%2B4%28highlight%28%28-2%2Bsqrt%2814%29%29%2F2%29%29\"
\n" ); document.write( "\"8%2B2%28-2%2Bsqrt%2814%29%29\"
\n" ); document.write( "\"8-4%2B2sqrt%2814%29\"
\n" ); document.write( "\"highlight%28y=4%2B2%2Asqrt%2814%29%29\" for one possible combination x and y.\r
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\n" ); document.write( "\n" ); document.write( "You can check on the other combination.
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