12+4.2c=3c

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Solution for 12+4.2c=3c equation:


Simplifying
12 + 4.2c = 3c

Solving
12 + 4.2c = 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.
12 + 4.2c + -3c = 3c + -3c

Combine like terms: 4.2c + -3c = 1.2c
12 + 1.2c = 3c + -3c

Combine like terms: 3c + -3c = 0
12 + 1.2c = 0

Add '-12' to each side of the equation.
12 + -12 + 1.2c = 0 + -12

Combine like terms: 12 + -12 = 0
0 + 1.2c = 0 + -12
1.2c = 0 + -12

Combine like terms: 0 + -12 = -12
1.2c = -12

Divide each side by '1.2'.
c = -10

Simplifying
c = -10

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