8c-9=-129

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Solution for 8c-9=-129 equation: 


Simplifying
8c + -9 = -129

Reorder the terms:
-9 + 8c = -129

Solving
-9 + 8c = -129

Solving for variable 'c'.

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

Add '9' to each side of the equation.
-9 + 9 + 8c = -129 + 9

Combine like terms: -9 + 9 = 0
0 + 8c = -129 + 9
8c = -129 + 9

Combine like terms: -129 + 9 = -120
8c = -120

Divide each side by '8'.
c = -15

Simplifying
c = -15

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