y = n(a+1)
y = na+1n
y = na+n
y-n = na
(y-n)/n = a
y/n - n/n = a
y/n - 1/1 = a
y/n = a
Answer:
Explanation:
y=n(a+1)/n
y/n=a+1
-1 -1
y/n-1=a
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