concatenate a single text field with a multi check field

concatenate a single text field with a multi check field

i've got a formula field for which i am trying to concatenate a single text field with a multi-check field.

ex:
single.text + multi.check 1 = formula.concatenate a
single.text + multi.check 2 = formula.concatenate b
single.text + multi.check 3 = formula.concatenate c
single.text + multi.check 4 = formula.concatenate d

is it possible to create a formula that allows this to happen?