A(n)=-9+(-7)(n-1)

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Solution for A(n)=-9+(-7)(n-1) equation: 


Simplifying
A(n) = -9 + (-7)(n + -1)

Multiply A * n
nA = -9 + (-7)(n + -1)

Reorder the terms:
nA = -9 + -7(-1 + n)
nA = -9 + (-1 * -7 + n * -7)
nA = -9 + (7 + -7n)

Combine like terms: -9 + 7 = -2
nA = -2 + -7n

Solving
nA = -2 + -7n

Solving for variable 'n'.

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

Add '7n' to each side of the equation.
7n + nA = -2 + -7n + 7n

Combine like terms: -7n + 7n = 0
7n + nA = -2 + 0
7n + nA = -2

Reorder the terms:
2 + 7n + nA = -2 + 2

Combine like terms: -2 + 2 = 0
2 + 7n + nA = 0

The solution to this equation could not be determined.

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