x+4.5=12.3

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Solution for x+4.5=12.3 equation: 


Simplifying
x + 4.5 = 12.3

Reorder the terms:
4.5 + x = 12.3

Solving
4.5 + x = 12.3

Solving for variable 'x'.

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

Add '-4.5' to each side of the equation.
4.5 + -4.5 + x = 12.3 + -4.5

Combine like terms: 4.5 + -4.5 = 0.0
0.0 + x = 12.3 + -4.5
x = 12.3 + -4.5

Combine like terms: 12.3 + -4.5 = 7.8
x = 7.8

Simplifying
x = 7.8

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