document.write( "Question 1044513: when 3 is added to a number and the result is multiplied by 5.You obtain 1 less than the number you started with,what is the number \n" ); document.write( "
Algebra.Com's Answer #659815 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "when 3 is added to a number and the result is multiplied by 5. \n" ); document.write( "You obtain 1 less than the number you started with. \n" ); document.write( "Make the number = 'x' \n" ); document.write( "5(3 + x) = x - 1 \n" ); document.write( "Multiply out \n" ); document.write( "15 + 5x = x - 1 \n" ); document.write( "Collect like terms: \n" ); document.write( "5x - x = -1 - 15 \n" ); document.write( "4x = -16 \n" ); document.write( "x = -4 \n" ); document.write( "Proof: \n" ); document.write( "5(3 + x) = x - 1 \n" ); document.write( "5(3 - 4) = -4 -1 \n" ); document.write( "5(-1) = -5 \n" ); document.write( "-5 = -5 \n" ); document.write( "Number is -4. \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |