-5c-4+7c=12

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Solution for -5c-4+7c=12 equation: 


Simplifying
-5c + -4 + 7c = 12

Reorder the terms:
-4 + -5c + 7c = 12

Combine like terms: -5c + 7c = 2c
-4 + 2c = 12

Solving
-4 + 2c = 12

Solving for variable 'c'.

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

Add '4' to each side of the equation.
-4 + 4 + 2c = 12 + 4

Combine like terms: -4 + 4 = 0
0 + 2c = 12 + 4
2c = 12 + 4

Combine like terms: 12 + 4 = 16
2c = 16

Divide each side by '2'.
c = 8

Simplifying
c = 8

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