Find the value of x if the mean of (x + 1), (x + 2) and (x – 3) = 4.
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Answered by
1
Answer:
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Step-by-step explanation:
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Answered by
0
Answer:
x = 3
Step-by-step explanation:
sum of all observations/ total number of observations = mean
ATQ,
((x+4)+(x+2)+(x-3))/3 = 4
x+4+x+2+x-3 = 4×3
3x+3 = 12
3x = 12-3
3x = 9
x = 9/3
x = 3
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