Hello!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.

Then you add similar elements.


You can also add or subtract by the numbers.


Answer⇒⇒⇒3d+9
Hope this helps!
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-Charlie
There are .3 decimeters in 3 centimeters
Answer:
2
Step-by-step explanation:
Hope this helps, been doing it all my life! :P
Answer:
the answer is 24 lb
i think
Stepkby-step explanation:
it is 24 because it is 6 1lb blocks x 4 will give you 24