Answer:
3x + 9
Explanation:
Just add the both the x's together:
2x + x = 3x
Then add the regular numbers together:
4 + 5 = 9
then put the answers together:
1. combine like terms
x and 2x = 3x
2. put them together
3x + 9 is your answer.
Hope I helped! have a wonderful day!
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