8c-9=21.4

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Solution for 8c-9=21.4 equation:


Simplifying
8c + -9 = 21.4

Reorder the terms:
-9 + 8c = 21.4

Solving
-9 + 8c = 21.4

Solving for variable 'c'.

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

Add '9' to each side of the equation.
-9 + 9 + 8c = 21.4 + 9

Combine like terms: -9 + 9 = 0
0 + 8c = 21.4 + 9
8c = 21.4 + 9

Combine like terms: 21.4 + 9 = 30.4
8c = 30.4

Divide each side by '8'.
c = 3.8

Simplifying
c = 3.8

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