Answer:
x = 1
Step-by-step explanation:
First, expand the equation. 9 times 2 is 18, and 9 times 3x is 17x. With this, the equation is now 18 + 27x = 45. Then, subtract 18 from both sides to get the equation 27x = 27. Now, divide 27 by both sides, and you get x = 1.
