12.5+x-8.2=9

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Solution for 12.5+x-8.2=9 equation: 


Simplifying
12.5 + x + -8.2 = 9

Reorder the terms:
12.5 + -8.2 + x = 9

Combine like terms: 12.5 + -8.2 = 4.3
4.3 + x = 9

Solving
4.3 + x = 9

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4.3' to each side of the equation.
4.3 + -4.3 + x = 9 + -4.3

Combine like terms: 4.3 + -4.3 = 0.0
0.0 + x = 9 + -4.3
x = 9 + -4.3

Combine like terms: 9 + -4.3 = 4.7
x = 4.7

Simplifying
x = 4.7

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