Answer: x = -1/6
Explanation:
1. Subtract 9x from both sides.
3x = 9x + 1
3x-9x = 9x +1 - 9x
2. Simplify the expression.
3x-9x = 9x +1 - 9x
-6x = 1
3. Divide sides by the same factor.
-6x = 1
-6x/-6 = 1/-6
4. Simplify the expression. (again)
-6x/-6 = 1/-6
x = -1/6
Therefore, the solution is -1/6