3.6=(5-x)+(3.6-x)+(2.8-x)

Solution for 3.6=(5-x)+(3.6-x)+(2.8-x) equation:

Simplifying
3.6 = (5 + -1x) + (3.6 + -1x) + (2.8 + -1x)

Remove parenthesis around (5 + -1x)
3.6 = 5 + -1x + (3.6 + -1x) + (2.8 + -1x)

Remove parenthesis around (3.6 + -1x)
3.6 = 5 + -1x + 3.6 + -1x + (2.8 + -1x)

Remove parenthesis around (2.8 + -1x)
3.6 = 5 + -1x + 3.6 + -1x + 2.8 + -1x

Reorder the terms:
3.6 = 5 + 3.6 + 2.8 + -1x + -1x + -1x

Combine like terms: 5 + 3.6 = 8.6
3.6 = 8.6 + 2.8 + -1x + -1x + -1x

Combine like terms: 8.6 + 2.8 = 11.4
3.6 = 11.4 + -1x + -1x + -1x

Combine like terms: -1x + -1x = -2x
3.6 = 11.4 + -2x + -1x

Combine like terms: -2x + -1x = -3x
3.6 = 11.4 + -3x

Solving
3.6 = 11.4 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
3.6 + 3x = 11.4 + -3x + 3x

Combine like terms: -3x + 3x = 0
3.6 + 3x = 11.4 + 0
3.6 + 3x = 11.4

Add '-3.6' to each side of the equation.
3.6 + -3.6 + 3x = 11.4 + -3.6

Combine like terms: 3.6 + -3.6 = 0.0
0.0 + 3x = 11.4 + -3.6
3x = 11.4 + -3.6

Combine like terms: 11.4 + -3.6 = 7.8
3x = 7.8

Divide each side by '3'.
x = 2.6

Simplifying
x = 2.6