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) You can put this solution on YOUR website! 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 \n" ); document.write( "----------------- \n" ); document.write( "check: \n" ); document.write( "11-6 = 5; 5 x 3 = 15 Correct \n" ); document.write( ": \n" ); document.write( "John \n" ); document.write( " \n" ); document.write( " |