Answer:
The answer is x = -5.
Explanation:
1) Subtract 2x from both sides.

2) Simplify 4x + 9 - 2x to 2x + 9.

3) Subtract 9 from both sides.

4) Simplify - 1 - 9 to -10.

5) Divide both sides by 2.

6) Simplify 10/2 to 5.

Therefor, the answer is x = -5.