document.write( "Question 369229: What is the equation/function for if you enter 3 and the answer is 8 and you enter 10 and the answer is 29 and then you enter 20 and the answer is 59? How do I figure out the equation? \n" ); document.write( "
Algebra.Com's Answer #263091 by acalgebra(30)\"\" \"About 
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3 >> 8
\n" ); document.write( "10 >> 29
\n" ); document.write( "20 >> 59\r
\n" ); document.write( "\n" ); document.write( "There is no set way to solve this, but here is the function:
\n" ); document.write( "[output]=3[input]-1
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