Answer:
-2.5
Step-by-step explanation:
-2.5 is a rational number and no an integer while 10/5 can be an integer because when it is simplified it equals 2 so your answer would be -2.4
Its option D. 9
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x=-1
multiply both sides by 2
move the constant to the right
find the sum
then divide the 4 next to x
