c-30=21

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Solution for c-30=21 equation: 


Simplifying
c + -30 = 21

Reorder the terms:
-30 + c = 21

Solving
-30 + c = 21

Solving for variable 'c'.

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

Add '30' to each side of the equation.
-30 + 30 + c = 21 + 30

Combine like terms: -30 + 30 = 0
0 + c = 21 + 30
c = 21 + 30

Combine like terms: 21 + 30 = 51
c = 51

Simplifying
c = 51

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