8=20-c

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Solution for 8=20-c equation:


Simplifying
8 = 20 + -1c

Solving
8 = 20 + -1c

Solving for variable 'c'.

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

Add 'c' to each side of the equation.
8 + c = 20 + -1c + c

Combine like terms: -1c + c = 0
8 + c = 20 + 0
8 + c = 20

Add '-8' to each side of the equation.
8 + -8 + c = 20 + -8

Combine like terms: 8 + -8 = 0
0 + c = 20 + -8
c = 20 + -8

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

Simplifying
c = 12

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