20.8=8c-4

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Solution for 20.8=8c-4 equation: 


Simplifying
20.8 = 8c + -4

Reorder the terms:
20.8 = -4 + 8c

Solving
20.8 = -4 + 8c

Solving for variable 'c'.

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

Add '-8c' to each side of the equation.
20.8 + -8c = -4 + 8c + -8c

Combine like terms: 8c + -8c = 0
20.8 + -8c = -4 + 0
20.8 + -8c = -4

Add '-20.8' to each side of the equation.
20.8 + -20.8 + -8c = -4 + -20.8

Combine like terms: 20.8 + -20.8 = 0.0
0.0 + -8c = -4 + -20.8
-8c = -4 + -20.8

Combine like terms: -4 + -20.8 = -24.8
-8c = -24.8

Divide each side by '-8'.
c = 3.1

Simplifying
c = 3.1

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