6.9-C=-13

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Solution for 6.9-C=-13 equation: 


Simplifying
6.9 + -1C = -13

Solving
6.9 + -1C = -13

Solving for variable 'C'.

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

Add '-6.9' to each side of the equation.
6.9 + -6.9 + -1C = -13 + -6.9

Combine like terms: 6.9 + -6.9 = 0.0
0.0 + -1C = -13 + -6.9
-1C = -13 + -6.9

Combine like terms: -13 + -6.9 = -19.9
-1C = -19.9

Divide each side by '-1'.
C = 19.9

Simplifying
C = 19.9

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