0=7c-81-4c

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Solution for 0=7c-81-4c equation:


Simplifying
0 = 7c + -81 + -4c

Reorder the terms:
0 = -81 + 7c + -4c

Combine like terms: 7c + -4c = 3c
0 = -81 + 3c

Solving
0 = -81 + 3c

Solving for variable 'c'.

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

Add '-3c' to each side of the equation.
0 + -3c = -81 + 3c + -3c
Remove the zero:
-3c = -81 + 3c + -3c

Combine like terms: 3c + -3c = 0
-3c = -81 + 0
-3c = -81

Divide each side by '-3'.
c = 27

Simplifying
c = 27

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