Answer:
-6y+4z
Step-by-step explanation:
Remember that a - combined with a + becomes -, and - with - becomes +.
So,
6y is the same as +6y. So, distributing the - sign into this term, we get
-(+6y)
-6y
Same goes for -4z
-(-4z)
4z.
Combining these two terms,
-6y+4z.
Hope this helps !!
