Algebra
posted by Marysvoice .
I am supposed to subtract and simplify if possible. This is backward to what we had in our homework so I am confused.
two fractions
4z/z3 minus 7z6/3z
I need to determine what z is?

Algebra 
bobpursley
Your non use of parenthesis makes the problem hard to read, but I will guess it is this:
(4z)/(z3)  (7z6)/(3z)
1) notice that z3= (3z)
Then
(4z)/(z3) +(7z6)/(z3)
can you take it from here? 
Algebra 
Marysvoice
12z+3z=15z?
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