c-(-12)=20

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Solution for c-(-12)=20 equation: 


Simplifying
c + -1(-12) = 20

Multiply -1 * -12
c + 12 = 20

Reorder the terms:
12 + c = 20

Solving
12 + c = 20

Solving for variable 'c'.

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

Add '-12' to each side of the equation.
12 + -12 + c = 20 + -12

Combine like terms: 12 + -12 = 0
0 + c = 20 + -12
c = 20 + -12

Combine like terms: 20 + -12 = 8
c = 8

Simplifying
c = 8

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