Naja10ze
Naja10ze
30-10-2020
Mathematics
contestada
If y = –7 and z = –3, what is –y + z?
Respuesta :
shannadebona
shannadebona
30-10-2020
Answer:
4
Step-by-step explanation:
-(-)7+-3
7+(-)3
The answer is 4
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9x/b + 7x/a =c, b=0, a=0, b= -9/7 a