1 answer:
Answer:
-3
= -3 
Step-by-step explanation:
Add up the numbers on either side of the equal sign. If it helps, you can convert everything to improper fractions so that the math is easier.

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Attached the solution and work.
Answer:

Step-by-step explanation:


We have to find


If 

=
Hence our answer is

Answer:
n=11
Step-by-step explanation:
Hope this helps :)
1) 3•5(64-65)
2) 3•5(-1)
3) 3•(-5)
4) -15