Question

IF the mean of x, x+2, x+ 3, x+4, x+6 is 11 find value of x

Answer 1

Answer:

given

mean=11

find,x=?

mean=x+x+2+x+3+x+4+x+6/5

11=5x+15/5

11*5=5x+15(transposing by 5 right to multiplying)

55=5x+15

55-15=5x

40=5x

40/5=x

8=x

Answer 2

Answer:

x + x + 2 + x + 4 + x + 6 + x + 8 / 5 = 11

5x + 20 =  55

5x = 35 ⇒ x = 7

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