215k views
3 votes
Simplify the expression. –10z – 28z
18
18z
–38z
38z

2 Answers

4 votes
you're right it is definitely -38z 
User Jaekie
by
6.4k points
4 votes
- 38z, because -10z - 28z = 38, but you have to change into addition and that will be equal -38z.
User Whome
by
7.0k points
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