a[n]=7n+1

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Solution for a[n]=7n+1 equation: 


Simplifying
a[n] = 7n + 1

Multiply a * n
an = 7n + 1

Reorder the terms:
an = 1 + 7n

Solving
an = 1 + 7n

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by 'n'.
a = n-1 + 7

Simplifying
a = n-1 + 7

Reorder the terms:
a = 7 + n-1

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