"merge back" is a correct and usable phrase in written English.
You can use it when describing the merging of two previously separate objects or ideas together into one. For example: "The two companies have decided to merge back their separate operations into one."
But regulators soon allowed many of the company's parts to merge back together.
Police forces will be told that they must merge back office functions and some specialist units to save money.
It is possible XT and Core will merge back into one project, and also possible one or both will die.
The Knicks, 8-3 aFridayriday's loss to Houston, are like cars flying down the freeway, and Stoudemire is a vehicle on the side of the road trying to merge back into traffic.
Their unscripted considerations range wider, covering a variety of subjects that somehow always merge back into the play at hand: the mortal illness of one of them; the dispiriting lot of the actor; the tedious state of contemporary theater; the plot of last night's sitcom; the afflictions of hangnails and hemorrhoids.
tl dr: Google Car tried to zip around some stopped cars, had to stop because of some sandbags in the road, tried to merge back into the other lane to get around them, and it hit the side of a passing bus which it assumed would slow to let it merge back in to the lane.
And when exchanges merge, back-office costs fall and liquidity gets a boost.
He knows perfectly well that his "belief" that "if councils merge back-office services, join forces to procure, cut chief exec pay and cut out the non-jobs" we can protect frontline services is ill-founded.
The M.T.A., he said, will merge back-office tasks in a new Business Service Center, saving an estimated $40 million a year; has created a systemwide Emergency Response Center; and given new line general managers more autonomy in managing subway service.
So then the company merged back together again.
Rita and Betty are merging back into one character.
