the mean of 18,24,15,2x+1 and 12 is 21 find the value of x
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Answered by
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Answer:
18+24+15+2x+1+12= 21
70 +2x =21
2x = 21-70
2x = 49
x= 24.5
Answered by
1
The answer is
- 18 + 24 + 15 + 2x + 1 + 12 = 21
- 70 + 2x = 21
- 2x = 21 - 70
- x = 49 ÷ 2
- x = 24.5
Therefore the value of X is 24.5
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