c+20=99

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Solution for c+20=99 equation: 


Simplifying
c + 20 = 99

Reorder the terms:
20 + c = 99

Solving
20 + c = 99

Solving for variable 'c'.

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

Add '-20' to each side of the equation.
20 + -20 + c = 99 + -20

Combine like terms: 20 + -20 = 0
0 + c = 99 + -20
c = 99 + -20

Combine like terms: 99 + -20 = 79
c = 79

Simplifying
c = 79

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