2(x+3)=(x+9)

Solution for 2(x+3)=(x+9) equation:

Simplifying
2(x + 3) = (x + 9)

Reorder the terms:
2(3 + x) = (x + 9)
(3 * 2 + x * 2) = (x + 9)
(6 + 2x) = (x + 9)

Reorder the terms:
6 + 2x = (9 + x)

Remove parenthesis around (9 + x)
6 + 2x = 9 + x

Solving
6 + 2x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
6 + 2x + -1x = 9 + x + -1x

Combine like terms: 2x + -1x = 1x
6 + 1x = 9 + x + -1x

Combine like terms: x + -1x = 0
6 + 1x = 9 + 0
6 + 1x = 9

Add '-6' to each side of the equation.
6 + -6 + 1x = 9 + -6

Combine like terms: 6 + -6 = 0
0 + 1x = 9 + -6
1x = 9 + -6

Combine like terms: 9 + -6 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3