Respuesta :
Answer:
1/72=x (part a)
1/70=x (bart b)
Step-by-step explanation:
Divide 1 by 72 for part a, and divide 1 by 70 for part b.
Answer:
the answer is x= -1
Step-by-step explanation:
I know this because 72x-1 is the same as 72 divided by 1 which is 1