a(n)=-6-4(n-1)

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Solution for a(n)=-6-4(n-1) equation: 


Simplifying
a(n) = -6 + -4(n + -1)

Multiply a * n
an = -6 + -4(n + -1)

Reorder the terms:
an = -6 + -4(-1 + n)
an = -6 + (-1 * -4 + n * -4)
an = -6 + (4 + -4n)

Combine like terms: -6 + 4 = -2
an = -2 + -4n

Solving
an = -2 + -4n

Solving for variable 'a'.

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

Divide each side by 'n'.
a = -2n-1 + -4

Simplifying
a = -2n-1 + -4

Reorder the terms:
a = -4 + -2n-1

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