How do you solve #-12u - - 16u = 20#?

Question

616 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-10-13T11:09:10

Notice that you've written minus two times, and, minus then minus is equal to plus
#--16u=16u#
#therefore -12u+16u=20#
#4u=20#
#u=5#