C-(-13)=-7

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Solution for C-(-13)=-7 equation: 


Simplifying
C + -1(-13) = -7

Multiply -1 * -13
C + 13 = -7

Reorder the terms:
13 + C = -7

Solving
13 + C = -7

Solving for variable 'C'.

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

Add '-13' to each side of the equation.
13 + -13 + C = -7 + -13

Combine like terms: 13 + -13 = 0
0 + C = -7 + -13
C = -7 + -13

Combine like terms: -7 + -13 = -20
C = -20

Simplifying
C = -20

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