Asked by Marcus

I don't know what to do.

Hosni fave the following argument that -(a+b)= -a+-b, for all intergers a and b. If the arqument is correct, suppy the missing reasons. If it is in correct explain why not.
-(a+b)=(-1)(a+b)
=(-1)a+(-1)b
=-a+-b

Answers

Answered by Marth
You have correctly shown that the distributive property distributes the negative.
Answered by marcus
If the argment is correct supply the missing reasons. what is the reason? I don't know.
Answered by Marth
The distributive property distributes the negative to both a and b.
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