-7(-3-c)=-2(3-c)

Solution for -7(-3-c)=-2(3-c) equation:

Simplifying
-7(-3 + -1c) = -2(3 + -1c)
(-3 * -7 + -1c * -7) = -2(3 + -1c)
(21 + 7c) = -2(3 + -1c)
21 + 7c = (3 * -2 + -1c * -2)
21 + 7c = (-6 + 2c)

Solving
21 + 7c = -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.
21 + 7c + -2c = -6 + 2c + -2c

Combine like terms: 7c + -2c = 5c
21 + 5c = -6 + 2c + -2c

Combine like terms: 2c + -2c = 0
21 + 5c = -6 + 0
21 + 5c = -6

Add '-21' to each side of the equation.
21 + -21 + 5c = -6 + -21

Combine like terms: 21 + -21 = 0
0 + 5c = -6 + -21
5c = -6 + -21

Combine like terms: -6 + -21 = -27
5c = -27

Divide each side by '5'.
c = -5.4

Simplifying
c = -5.4