-x-(4-x)-x=-1

Solution for -x-(4-x)-x=-1 equation:

Simplifying
-1x + -1(4 + -1x) + -1x = -1
-1x + (4 * -1 + -1x * -1) + -1x = -1
-1x + (-4 + 1x) + -1x = -1

Reorder the terms:
-4 + -1x + 1x + -1x = -1

Combine like terms: -1x + 1x = 0
-4 + 0 + -1x = -1
-4 + -1x = -1

Solving
-4 + -1x = -1

Solving for variable 'x'.

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

Add '4' to each side of the equation.
-4 + 4 + -1x = -1 + 4

Combine like terms: -4 + 4 = 0
0 + -1x = -1 + 4
-1x = -1 + 4

Combine like terms: -1 + 4 = 3
-1x = 3

Divide each side by '-1'.
x = -3

Simplifying
x = -3