A(n)=4+(n+1)(5)

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Solution for A(n)=4+(n+1)(5) equation:


Simplifying
A(n) = 4 + (n + 1)(5)

Multiply A * n
nA = 4 + (n + 1)(5)

Reorder the terms:
nA = 4 + (1 + n)(5)

Reorder the terms for easier multiplication:
nA = 4 + 5(1 + n)
nA = 4 + (1 * 5 + n * 5)
nA = 4 + (5 + 5n)

Combine like terms: 4 + 5 = 9
nA = 9 + 5n

Solving
nA = 9 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-5n + nA = 9 + 5n + -5n

Combine like terms: 5n + -5n = 0
-5n + nA = 9 + 0
-5n + nA = 9

Reorder the terms:
-9 + -5n + nA = 9 + -9

Combine like terms: 9 + -9 = 0
-9 + -5n + nA = 0

The solution to this equation could not be determined.

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