a=-0.3+(n-1)*8.7

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Solution for a=-0.3+(n-1)*8.7 equation: 


Simplifying
a = -0.3 + (n + -1) * 8.7

Reorder the terms:
a = -0.3 + (-1 + n) * 8.7

Reorder the terms for easier multiplication:
a = -0.3 + 8.7(-1 + n)
a = -0.3 + (-1 * 8.7 + n * 8.7)
a = -0.3 + (-8.7 + 8.7n)

Combine like terms: -0.3 + -8.7 = -9
a = -9 + 8.7n

Solving
a = -9 + 8.7n

Solving for variable 'a'.

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

Simplifying
a = -9 + 8.7n

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