-(c-9)=6

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Solution for -(c-9)=6 equation: 


Simplifying
-1(c + -9) = 6

Reorder the terms:
-1(-9 + c) = 6
(-9 * -1 + c * -1) = 6
(9 + -1c) = 6

Solving
9 + -1c = 6

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 + -1c = 6 + -9

Combine like terms: 9 + -9 = 0
0 + -1c = 6 + -9
-1c = 6 + -9

Combine like terms: 6 + -9 = -3
-1c = -3

Divide each side by '-1'.
c = 3

Simplifying
c = 3

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