(4-c)+2(c-3)=-13

Solve for c:

1. (4 - c) + 2(c - 3) = -13
2. 4 - c + 2c - 6 = -13
3. -2 + c = -13
4. c = -11

Check: (4 - (-11)) + 2(-11 - 3) = 15 + 2(-14) = 15 - 28 = -13, correct.

Answer: c = -11.