(x)+(x+6)=40

Solution for (x)+(x+6)=40 equation:

Simplifying
(x) + (x + 6) = 40
x + (x + 6) = 40

Reorder the terms:
x + (6 + x) = 40

Remove parenthesis around (6 + x)
x + 6 + x = 40

Reorder the terms:
6 + x + x = 40

Combine like terms: x + x = 2x
6 + 2x = 40

Solving
6 + 2x = 40

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 + 2x = 40 + -6

Combine like terms: 6 + -6 = 0
0 + 2x = 40 + -6
2x = 40 + -6

Combine like terms: 40 + -6 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17