2c-21=-8

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Solution for 2c-21=-8 equation: 


Simplifying
2c + -21 = -8

Reorder the terms:
-21 + 2c = -8

Solving
-21 + 2c = -8

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 = -8 + 21

Combine like terms: -21 + 21 = 0
0 + 2c = -8 + 21
2c = -8 + 21

Combine like terms: -8 + 21 = 13
2c = 13

Divide each side by '2'.
c = 6.5

Simplifying
c = 6.5

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