8-x=x-1

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Solution for 8-x=x-1 equation:


Simplifying
8 + -1x = x + -1

Reorder the terms:
8 + -1x = -1 + x

Solving
8 + -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.
8 + -1x + -1x = -1 + x + -1x

Combine like terms: -1x + -1x = -2x
8 + -2x = -1 + x + -1x

Combine like terms: x + -1x = 0
8 + -2x = -1 + 0
8 + -2x = -1

Add '-8' to each side of the equation.
8 + -8 + -2x = -1 + -8

Combine like terms: 8 + -8 = 0
0 + -2x = -1 + -8
-2x = -1 + -8

Combine like terms: -1 + -8 = -9
-2x = -9

Divide each side by '-2'.
x = 4.5

Simplifying
x = 4.5

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