MEAN of 7 ,9 ,X+3, 2 x-1,3and 12 is 9 FIND THE VALUE OF X
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Answer:
22/3
Step-by-step explanation:
7+9+3+12+(x+3)+2(x-1)/6=9
31+(x+3)+2(x-1)
3x+1=23
x=22/3
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