Question

If the arthemetic mean of 8,4,x,6,2,7 is 5,then the value of x is what

Answer 1

(8+4+x+6+2+7)÷6=5

27+x=30

x=3

Answer 2

Answer:

$(8 + 4 + x + 6 + 2 + 7) \div {6} = 5 \\ (27 + x ) \div 6 = 5 \\ (27 + x) = 30 \\ x = 30 - 27 \\ x = 3$