39=8c-9

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Solution for 39=8c-9 equation:


Simplifying
39 = 8c + -9

Reorder the terms:
39 = -9 + 8c

Solving
39 = -9 + 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.
39 + -8c = -9 + 8c + -8c

Combine like terms: 8c + -8c = 0
39 + -8c = -9 + 0
39 + -8c = -9

Add '-39' to each side of the equation.
39 + -39 + -8c = -9 + -39

Combine like terms: 39 + -39 = 0
0 + -8c = -9 + -39
-8c = -9 + -39

Combine like terms: -9 + -39 = -48
-8c = -48

Divide each side by '-8'.
c = 6

Simplifying
c = 6

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