(x+19.5)+(2x)=123

Solution for (x+19.5)+(2x)=123 equation:

Simplifying
(x + 19.5) + (2x) = 123

Reorder the terms:
(19.5 + x) + (2x) = 123

Remove parenthesis around (19.5 + x)
19.5 + x + (2x) = 123

Combine like terms: x + (2x) = 3x
19.5 + 3x = 123

Solving
19.5 + 3x = 123

Solving for variable 'x'.

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

Add '-19.5' to each side of the equation.
19.5 + -19.5 + 3x = 123 + -19.5

Combine like terms: 19.5 + -19.5 = 0.0
0.0 + 3x = 123 + -19.5
3x = 123 + -19.5

Combine like terms: 123 + -19.5 = 103.5
3x = 103.5

Divide each side by '3'.
x = 34.5

Simplifying
x = 34.5