How do I simplify this: 16c-10d+3d-5c?

Question

Ms. Sue · Accepted Answer

16c-10d+3d-5c 16c - 5c - 10d + 3d 11c - 7d

maria · Answer

16c-5c,and then you get 11c,and then you have to add 10d+3d which gives you 13d sop then your answer will be :11c-13d

Ms. Sue · Answer

You forgot that it's minus 10d.

maria · Answer

oh you got to change the +10 to a -10 and then that way the whole problem is the same