20.5=9c-2

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Solution for 20.5=9c-2 equation: 


Simplifying
20.5 = 9c + -2

Reorder the terms:
20.5 = -2 + 9c

Solving
20.5 = -2 + 9c

Solving for variable 'c'.

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

Add '-9c' to each side of the equation.
20.5 + -9c = -2 + 9c + -9c

Combine like terms: 9c + -9c = 0
20.5 + -9c = -2 + 0
20.5 + -9c = -2

Add '-20.5' to each side of the equation.
20.5 + -20.5 + -9c = -2 + -20.5

Combine like terms: 20.5 + -20.5 = 0.0
0.0 + -9c = -2 + -20.5
-9c = -2 + -20.5

Combine like terms: -2 + -20.5 = -22.5
-9c = -22.5

Divide each side by '-9'.
c = 2.5

Simplifying
c = 2.5

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