Finding the value of n

This task is about finding the value of an unknown number in equations..

Show how to find the value of n in the following equations. [5n means 5 × n.]

a) n – 4 = 13

  
 
 
n = _____
 
b)
 
25 = n – 6

 
 
 
n = _____
 
c)
 
12 = 3n

 
 
 
n = _____
 
d)
 
8n = 4
 
 
 

 n = _____
 
e)
 
4n + 2 = 22

 
 
 
n = _____
 
f)
 
15 = 7 + 2n

 
 
 
n = _____
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