7.85-21.15c=20.75

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Solution for 7.85-21.15c=20.75 equation: 


Simplifying
7.85 + -21.15c = 20.75

Solving
7.85 + -21.15c = 20.75

Solving for variable 'c'.

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

Add '-7.85' to each side of the equation.
7.85 + -7.85 + -21.15c = 20.75 + -7.85

Combine like terms: 7.85 + -7.85 = 0.00
0.00 + -21.15c = 20.75 + -7.85
-21.15c = 20.75 + -7.85

Combine like terms: 20.75 + -7.85 = 12.9
-21.15c = 12.9

Divide each side by '-21.15'.
c = -0.609929078

Simplifying
c = -0.609929078

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