document.write( "Question 148474: Solve the formula:\r
\n" ); document.write( "\n" ); document.write( "P=A/1+ar solve for r\r
\n" ); document.write( "\n" ); document.write( "Solve the equation:\r
\n" ); document.write( "\n" ); document.write( "1/x-2 - 1/x+2 = 1/15\r
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Algebra.Com's Answer #108863 by vleith(2983)\"\" \"About 
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P=A/1+ar solve for r
\n" ); document.write( "Make sure that this is NOT P = A/(l+ar). \r
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\n" ); document.write( "\n" ); document.write( "P=A/1+ar
\n" ); document.write( "P - A/l = ar
\n" ); document.write( "(P-A/l)/a = r\r
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\n" ); document.write( "\n" ); document.write( "Problem 2
\n" ); document.write( "1/x-2 - 1/x+2 = 1/15
\n" ); document.write( "((x+2) - (x-2))/(x-2)(x+2) = 1/15
\n" ); document.write( "(x+2-x+2)* 15 = (x-2)(x+2)
\n" ); document.write( "60 = x^2 -4
\n" ); document.write( "64 = x^2
\n" ); document.write( "x = 8 or -8
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