If we hadn't weighed up the advantages & disadvantages of merging the companies we would have risked making a huge loss.
I'd weigh the pros and cons up firstly before making any radical decisions!
If the cons outweigh the pros, we'll re-assess what the next course of action is.
We'd better weigh up the pros and cons in order to figure out what steps to take.
To weigh up(phrasal verb) to consider the good and bad aspects of something in order to reach a decision about it.
*To outweigh: To be greater or more important than something else.