-x-1=4-1

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


Simplifying
-1x + -1 = 4 + -1

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

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

Solving
-1 + -1x = 3

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -1x = 3 + 1

Combine like terms: -1 + 1 = 0
0 + -1x = 3 + 1
-1x = 3 + 1

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

Divide each side by '-1'.
x = -4

Simplifying
x = -4

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