x+(9-x)=12.5

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Solution for x+(9-x)=12.5 equation: 


Simplifying
x + (9 + -1x) = 12.5

Remove parenthesis around (9 + -1x)
x + 9 + -1x = 12.5

Reorder the terms:
9 + x + -1x = 12.5

Combine like terms: x + -1x = 0
9 + 0 = 12.5
9 = 12.5

Solving
9 = 12.5

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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