21+3c=

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Solution for 21+3c= equation:


Simplifying
21 + 3c = 0

Solving
21 + 3c = 0

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 + 3c = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 3c = 0 + -21
3c = 0 + -21

Combine like terms: 0 + -21 = -21
3c = -21

Divide each side by '3'.
c = -7

Simplifying
c = -7

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