unproblematic
1. [ adjective ] easy and not involved or complicated
Synonyms: simple elementary uncomplicated
Examples:

"an elementary problem in statistics" "elementary, my dear Watson" "a simple game" "found an uncomplicated solution to the problem"

Related terms: easy
Similar spelling:   unprophetic
  unprovable
  unprotesting
  unprotective
  unprofitable
  unprocurable
  unprovocative