c-3.9=8.2

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Solution for c-3.9=8.2 equation: 


Simplifying
c + -3.9 = 8.2

Reorder the terms:
-3.9 + c = 8.2

Solving
-3.9 + c = 8.2

Solving for variable 'c'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + c = 8.2 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + c = 8.2 + 3.9
c = 8.2 + 3.9

Combine like terms: 8.2 + 3.9 = 12.1
c = 12.1

Simplifying
c = 12.1

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