6=-(-x+1)

Solution for 6=-(-x+1) equation:

Simplifying
6 = -1(-1x + 1)

Reorder the terms:
6 = -1(1 + -1x)
6 = (1 * -1 + -1x * -1)
6 = (-1 + 1x)

Solving
6 = -1 + 1x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
6 + -1x = -1 + 1x + -1x

Combine like terms: 1x + -1x = 0
6 + -1x = -1 + 0
6 + -1x = -1

Add '-6' to each side of the equation.
6 + -6 + -1x = -1 + -6

Combine like terms: 6 + -6 = 0
0 + -1x = -1 + -6
-1x = -1 + -6

Combine like terms: -1 + -6 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7