c+(6+-5c)+-1=0

Solution for c+(6+-5c)+-1=0 equation:

Simplifying
c + (6 + -5c) + -1 = 0

Remove parenthesis around (6 + -5c)
c + 6 + -5c + -1 = 0

Reorder the terms:
6 + -1 + c + -5c = 0

Combine like terms: 6 + -1 = 5
5 + c + -5c = 0

Combine like terms: c + -5c = -4c
5 + -4c = 0

Solving
5 + -4c = 0

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -4c = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -4c = 0 + -5
-4c = 0 + -5

Combine like terms: 0 + -5 = -5
-4c = -5

Divide each side by '-4'.
c = 1.25

Simplifying
c = 1.25