document.write( "Question 1075956: if a number is decreased by six in the result is multiplied by three then the answer is 15 find the unknown number \n" ); document.write( "
Algebra.Com's Answer #690614 by addingup(3677)\"\" \"About 
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a number, let it be x:
\n" ); document.write( "x minus 6 times 3 = 3(x-6) equals 15:
\n" ); document.write( "3(x-6) = 15 distribute the 3 (Distributive Properties of Multiplication)
\n" ); document.write( "3x-18 = 15
\n" ); document.write( "3x = 33
\n" ); document.write( "x = 11
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\n" ); document.write( "check:
\n" ); document.write( "11-6 = 5; 5 x 3 = 15 Correct
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