solvable
resolvable
solvability
problem-solve
soluble
resoluble
crack
unpick
bethink
approximation algorithm
insolvable
unsoluble
unresolvable
unsolvable
unsort
square the circle
a problem shared is a problem halved
irresoluble
dissolve
figure
enodation
diakoptics
puzzle over
ingenuity
dissolving
solutionally
quellable
resolvably
straightenable
dissolution
waymaking
unsolved
unresolved
one-banana problem
unravel
finalizable
re-solve
tough nut to crack
job
elegance
problem
hard nut to crack
upsolve
decipher
uncontrollable
unmanageable
figure-outable
escape fire
cure
resolution
resolve
solving
solution
tease out
answer
work
figure out
unsolvably
Gordian knot
puzzle out
iron out
yak shaving
unpuzzle
solve
lick
work out
open-and-shut
problematizable
nail the hammer on the head
optimization problem
AI-complete
tie up
come out in the wash
puzzler
troubleshoot
panacea
mystifier
puzzle
unriddle
inextricable
teaser
trouble-shoot
presolving
brute force
analyze
trial and error
subproblem
handful
tractable
constraint
puzzlery
cut the Gordian knot