21+2c=45

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Solution for 21+2c=45 equation: 


Simplifying
21 + 2c = 45

Solving
21 + 2c = 45

Solving for variable 'c'.

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

Add '-21' to each side of the equation.
21 + -21 + 2c = 45 + -21

Combine like terms: 21 + -21 = 0
0 + 2c = 45 + -21
2c = 45 + -21

Combine like terms: 45 + -21 = 24
2c = 24

Divide each side by '2'.
c = 12

Simplifying
c = 12

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