Answer:
The answer to your question would be 18x+15
Steps of Getting the Answer
The first step is to distribute
=(9)(2x)+(9)(1)+6
9 x 2x = 18 and 9 x 1 = 9
= 18x+9+6
The second step of solving this would be combining like terms
=18x+9+6
=(18x)+(9+6)
And that's how 9(2x+1)+6 = 18x+15
