6=-2(-c)

Solution for 6=-2(-c) equation:

Simplifying
6 = -2(-1c)

Remove parenthesis around (-1c)
6 = -2 * -1c

Multiply -2 * -1
6 = 2c

Solving
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.
6 + -2c = 2c + -2c

Combine like terms: 2c + -2c = 0
6 + -2c = 0

Add '-6' to each side of the equation.
6 + -6 + -2c = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -2c = 0 + -6
-2c = 0 + -6

Combine like terms: 0 + -6 = -6
-2c = -6

Divide each side by '-2'.
c = 3

Simplifying
c = 3