4-x=x-1

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Solution for 4-x=x-1 equation:


Simplifying
4 + -1x = x + -1

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

Solving
4 + -1x = -1 + x

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.
4 + -1x + -1x = -1 + x + -1x

Combine like terms: -1x + -1x = -2x
4 + -2x = -1 + x + -1x

Combine like terms: x + -1x = 0
4 + -2x = -1 + 0
4 + -2x = -1

Add '-4' to each side of the equation.
4 + -4 + -2x = -1 + -4

Combine like terms: 4 + -4 = 0
0 + -2x = -1 + -4
-2x = -1 + -4

Combine like terms: -1 + -4 = -5
-2x = -5

Divide each side by '-2'.
x = 2.5

Simplifying
x = 2.5

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