2x+x+x+(x-6)=1140

Solution for 2x+x+x+(x-6)=1140 equation:

Simplifying
2x + x + x + (x + -6) = 1140

Reorder the terms:
2x + x + x + (-6 + x) = 1140

Remove parenthesis around (-6 + x)
2x + x + x + -6 + x = 1140

Reorder the terms:
-6 + 2x + x + x + x = 1140

Combine like terms: 2x + x = 3x
-6 + 3x + x + x = 1140

Combine like terms: 3x + x = 4x
-6 + 4x + x = 1140

Combine like terms: 4x + x = 5x
-6 + 5x = 1140

Solving
-6 + 5x = 1140

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 5x = 1140 + 6

Combine like terms: -6 + 6 = 0
0 + 5x = 1140 + 6
5x = 1140 + 6

Combine like terms: 1140 + 6 = 1146
5x = 1146

Divide each side by '5'.
x = 229.2

Simplifying
x = 229.2