the sum of eighty-nine and a number

89 + X =?

89 + x= 89x

Tuesday, March 2, 2010 at 4:09pm

To find the sum of eighty-nine and a number, you would simply add the two values together. Let's call the number "x". The sum can be expressed as the equation 89 + x. To calculate the sum, substitute a value for "x" and perform the addition.