x+8.6+x=725.4

Solution for x+8.6+x=725.4 equation:

Simplifying
x + 8.6 + x = 725.4

Reorder the terms:
8.6 + x + x = 725.4

Combine like terms: x + x = 2x
8.6 + 2x = 725.4

Solving
8.6 + 2x = 725.4

Solving for variable 'x'.

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

Add '-8.6' to each side of the equation.
8.6 + -8.6 + 2x = 725.4 + -8.6

Combine like terms: 8.6 + -8.6 = 0.0
0.0 + 2x = 725.4 + -8.6
2x = 725.4 + -8.6

Combine like terms: 725.4 + -8.6 = 716.8
2x = 716.8

Divide each side by '2'.
x = 358.4

Simplifying
x = 358.4