Answer:x=2
Explanation:
Simplifying
x + 2x + 3x = 12
Combine like terms: x + 2x = 3x
3x + 3x = 12
Combine like terms: 3x + 3x = 6x
6x = 12
Solving
6x = 12
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '6'.
x = 2
Simplifying
x = 2