3.6=(5-x)+(3.6-x)

Solution for 3.6=(5-x)+(3.6-x) equation:

Simplifying
3.6 = (5 + -1x) + (3.6 + -1x)

Remove parenthesis around (5 + -1x)
3.6 = 5 + -1x + (3.6 + -1x)

Remove parenthesis around (3.6 + -1x)
3.6 = 5 + -1x + 3.6 + -1x

Reorder the terms:
3.6 = 5 + 3.6 + -1x + -1x

Combine like terms: 5 + 3.6 = 8.6
3.6 = 8.6 + -1x + -1x

Combine like terms: -1x + -1x = -2x
3.6 = 8.6 + -2x

Solving
3.6 = 8.6 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
3.6 + 2x = 8.6 + -2x + 2x

Combine like terms: -2x + 2x = 0
3.6 + 2x = 8.6 + 0
3.6 + 2x = 8.6

Add '-3.6' to each side of the equation.
3.6 + -3.6 + 2x = 8.6 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + 2x = 8.6 + -3.6
2x = 8.6 + -3.6

Combine like terms: 8.6 + -3.6 = 5
2x = 5

Divide each side by '2'.
x = 2.5

Simplifying
x = 2.5