78=3c+12-c+4

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Solution for 78=3c+12-c+4 equation:


Simplifying
78 = 3c + 12 + -1c + 4

Reorder the terms:
78 = 12 + 4 + 3c + -1c

Combine like terms: 12 + 4 = 16
78 = 16 + 3c + -1c

Combine like terms: 3c + -1c = 2c
78 = 16 + 2c

Solving
78 = 16 + 2c

Solving for variable 'c'.

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

Add '-2c' to each side of the equation.
78 + -2c = 16 + 2c + -2c

Combine like terms: 2c + -2c = 0
78 + -2c = 16 + 0
78 + -2c = 16

Add '-78' to each side of the equation.
78 + -78 + -2c = 16 + -78

Combine like terms: 78 + -78 = 0
0 + -2c = 16 + -78
-2c = 16 + -78

Combine like terms: 16 + -78 = -62
-2c = -62

Divide each side by '-2'.
c = 31

Simplifying
c = 31

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