c-21c+21=0

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Solution for c-21c+21=0 equation:


Simplifying
c + -21c + 21 = 0

Reorder the terms:
21 + c + -21c = 0

Combine like terms: c + -21c = -20c
21 + -20c = 0

Solving
21 + -20c = 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 + -20c = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -20c = 0 + -21
-20c = 0 + -21

Combine like terms: 0 + -21 = -21
-20c = -21

Divide each side by '-20'.
c = 1.05

Simplifying
c = 1.05

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