c-2=21

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Solution for c-2=21 equation: 


Simplifying
c + -2 = 21

Reorder the terms:
-2 + c = 21

Solving
-2 + c = 21

Solving for variable 'c'.

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

Add '2' to each side of the equation.
-2 + 2 + c = 21 + 2

Combine like terms: -2 + 2 = 0
0 + c = 21 + 2
c = 21 + 2

Combine like terms: 21 + 2 = 23
c = 23

Simplifying
c = 23

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