The mean of 10, 13, x+8, 14, x+6 and 15 is 12. Find the value of x.
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Answer:
x=-27
Step-by-step explanation:
10+13+x+8+14+x+6+15=12
66+2x=12
66-12=-2x
54=-2x
54/-2=x
-27=x
x=-27
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