x+(x-4.5)=12.3

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Solution for x+(x-4.5)=12.3 equation:


Simplifying
x + (x + -4.5) = 12.3

Reorder the terms:
x + (-4.5 + x) = 12.3

Remove parenthesis around (-4.5 + x)
x + -4.5 + x = 12.3

Reorder the terms:
-4.5 + x + x = 12.3

Combine like terms: x + x = 2x
-4.5 + 2x = 12.3

Solving
-4.5 + 2x = 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 + 2x = 12.3 + 4.5

Combine like terms: -4.5 + 4.5 = 0.0
0.0 + 2x = 12.3 + 4.5
2x = 12.3 + 4.5

Combine like terms: 12.3 + 4.5 = 16.8
2x = 16.8

Divide each side by '2'.
x = 8.4

Simplifying
x = 8.4

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