Question

the average of x, x+3, x+6, x+9 and x+12 is 10. find value of x.​

Answer 1

Answer:

average of 5 numbers is 10*5=50

x+x+3+x+6+x+9+x+12=50

5x+30=50

5x=20

x=4

Answer 2

Answer:

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