Twice the sum of 12 and a number

Answer 1

twice the sum of 12 and a number

translated into math symbols is

2(12 +x) or use whatever letter you prefer for "a numbrer"

generally x,y and z or the end of the alphabet are used for variable numbers

a, b, and c or the beginning of the alphabet for constant numbers

if it's number of fish, use an F. if number of dogs, use D, to keep the meaning more clear.

if number of children use a C. number of senior citizens, use an S