4=[1-x]

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Solution for 4=[1-x] equation:


Simplifying
4 = [1 + -1x]

Remove brackets around [1 + -1x]
4 = 1 + -1x

Solving
4 = 1 + -1x

Solving for variable 'x'.

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

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

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

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

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

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

Simplifying
x = -3

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