3+6(x+2)+x=

Solution for 3+6(x+2)+x= equation:

Simplifying
3 + 6(x + 2) + x = 0

Reorder the terms:
3 + 6(2 + x) + x = 0
3 + (2 * 6 + x * 6) + x = 0
3 + (12 + 6x) + x = 0

Combine like terms: 3 + 12 = 15
15 + 6x + x = 0

Combine like terms: 6x + x = 7x
15 + 7x = 0

Solving
15 + 7x = 0

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 7x = 0 + -15

Combine like terms: 15 + -15 = 0
0 + 7x = 0 + -15
7x = 0 + -15

Combine like terms: 0 + -15 = -15
7x = -15

Divide each side by '7'.
x = -2.142857143

Simplifying
x = -2.142857143