9-x=9+x

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Solution for 9-x=9+x equation:


Simplifying
9 + -1x = 9 + x

Add '-9' to each side of the equation.
9 + -9 + -1x = 9 + -9 + x

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

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

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

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

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

Divide each side by '-2'.
x = 0

Simplifying
x = 0

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