Respuesta :

First by simplifying step by step 

2.8k-8.4

There are no like terms.

Answer is = 2.8k-8.4

It will help u
There no like terms so the answer is simply in the question you just asked..2.8k-8.4
Hope this helps you! And is you need more information on how to do this just look some videos up on YouTube of something and you should be able to find some more help with that!
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