If `5 2/3 div x 5/6 = 2` , then find the value of x

If   5 2/3 - x 5/6 = 2 , then find the value of x

If 5 ^(2x +1) div 25 = 125, find the value of x .

If x=5 and y=-2 , then find the value of (i) (8x-2y+5)/(2x+4ty+12) " "(ii) (5x-6y-7)/(3x+6y+12)

If x=-3 find the value of 4x^2-5x+3

If a = X , b = div and c = + ,find the value of (7a5c1)b6 4 6 frac(5)(3) 7

If ‘+’ represents ‘x’, ‘-’ represents ‘+’, ‘x' represents ‘ div ’ and ‘ div ’ represents ‘-’, then find the value of the following expression. 6 div 8 x 2-4

If the median of scores (x)/(2),(x)/(3),(x)/(4),(x)/(5) and (x)/(6)(wherex>0) is 6, then find the value of (x)/(6)