Answer:
number is 12
Explanation:
let the number be n , then 8 more than the number is n + 8
equate the expression to 20 and solve for n
n + 8 = 20 ( subtract 8 from both sides )
n + 8 - 8 = 20 - 8 ( simplify both sides )
n = 12
the required number is 12