The answer is x = -2. The steps are in the image below.
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Answer:
2.75
Step-by-step explanation:
to get the mean all you have to is add all the numbers up then divide by how numbers there are. so 3e is what u get when u add them up then divide by 12 and u get 2.75
Answer:
3x-5y=-15
Step-by-step explanation: