x-8=9-x

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Solution for x-8=9-x equation:


Simplifying
x + -8 = 9 + -1x

Reorder the terms:
-8 + x = 9 + -1x

Solving
-8 + x = 9 + -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.
-8 + x + x = 9 + -1x + x

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

Combine like terms: -1x + x = 0
-8 + 2x = 9 + 0
-8 + 2x = 9

Add '8' to each side of the equation.
-8 + 8 + 2x = 9 + 8

Combine like terms: -8 + 8 = 0
0 + 2x = 9 + 8
2x = 9 + 8

Combine like terms: 9 + 8 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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