Answer:
![\Huge\boxed{\mathsf{\Rightarrow X=-3}}}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/d183448ddbn7na3zfhwfhxfc5zqjnj3iaw.png)
Explanation:
Isolate x on one side of the equation.
First, switch sides.
9x-3=-30
Next, add 3 from both sides.
9x-3+3=-30+3
Solve.
-30+3=-27
9x=-27
Then, divide by 9 from both sides.
9x/9=-27/9
Solve.
Divide the numbers from left to right.
-27/9=-3
X=-3
In conclusion, the final answer is x=-3.