Answer:
Step-by-step explanation:
remember plus minus = minus
so 8+-=9
8-9=-1
D.
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The answer is 5x/2 because all you have to do is add 3x + 2x too make 5x and take 4-2 which is 2 and since it can't be simplified any more, just do 5x/2. Hope this helped! :)