Question

If the mean of x,x+1,x+3,x+6 is 15/2 find the value of x

Answer 1

Answer:

I hope you could understand

Answer 2

Answer:

$x + x + 1 + x + 3 + x + 6 = 15 \div 2 \\ 4x = 15 \div 2 - 10 \\ 4x = (15 - 20) \div 2 \\ x = - 5 \div 8$