-2c-c+12=78

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Solution for -2c-c+12=78 equation:


Simplifying
-2c + -1c + 12 = 78

Reorder the terms:
12 + -2c + -1c = 78

Combine like terms: -2c + -1c = -3c
12 + -3c = 78

Solving
12 + -3c = 78

Solving for variable 'c'.

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

Add '-12' to each side of the equation.
12 + -12 + -3c = 78 + -12

Combine like terms: 12 + -12 = 0
0 + -3c = 78 + -12
-3c = 78 + -12

Combine like terms: 78 + -12 = 66
-3c = 66

Divide each side by '-3'.
c = -22

Simplifying
c = -22

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