document.write( "Question 1200286: A number decreased by -13 is equal to the product of the number and 15. \n" ); document.write( "
Algebra.Com's Answer #834386 by math_tutor2020(3817)\"\" \"About 
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\n" ); document.write( "Answer: 13/14\r
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\n" ); document.write( "\n" ); document.write( "x = the mystery number
\n" ); document.write( "x-(-13) = x+13 = decrease the number by -13, i.e. add 13 to the number
\n" ); document.write( "15x = the product of 15 and the number\r
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\n" ); document.write( "\n" ); document.write( "x+13 = 15x
\n" ); document.write( "13 = 15x-x
\n" ); document.write( "13 = 14x
\n" ); document.write( "14x = 13
\n" ); document.write( "x = 13/14
\n" ); document.write( "13/14 = 0.92857 approximately
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