Answer:
Step-by-step explanation:
You would do 2[3]+3 because you plug in the three for the x and it gives you 9 if you use a calculator be sure to use [ ] where needed.
Answer:
9
Step-by-step explanation:
Plug in 3 where x is.
2(x) + 3
2(3) + 3
Two times 3 equals 6, and six plus 3 equals 9.
So the answer is 9
