4c-5c+8.4=3.6-2c-4.2

Solution for 4c-5c+8.4=3.6-2c-4.2 equation:

Simplifying
4c + -5c + 8.4 = 3.6 + -2c + -4.2

Reorder the terms:
8.4 + 4c + -5c = 3.6 + -2c + -4.2

Combine like terms: 4c + -5c = -1c
8.4 + -1c = 3.6 + -2c + -4.2

Reorder the terms:
8.4 + -1c = 3.6 + -4.2 + -2c

Combine like terms: 3.6 + -4.2 = -0.6
8.4 + -1c = -0.6 + -2c

Solving
8.4 + -1c = -0.6 + -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.
8.4 + -1c + 2c = -0.6 + -2c + 2c

Combine like terms: -1c + 2c = 1c
8.4 + 1c = -0.6 + -2c + 2c

Combine like terms: -2c + 2c = 0
8.4 + 1c = -0.6 + 0
8.4 + 1c = -0.6

Add '-8.4' to each side of the equation.
8.4 + -8.4 + 1c = -0.6 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + 1c = -0.6 + -8.4
1c = -0.6 + -8.4

Combine like terms: -0.6 + -8.4 = -9
1c = -9

Divide each side by '1'.
c = -9

Simplifying
c = -9