Find the value of `x+frac{3}{4}=6`

If f(x)=x^3-frac{1}{x^(3)} find the value of f(x)+f(frac{1}{x})

5 2/ 3 -x 5/6 = 2 . Find the value of x .

Find the value of x , y 2x+3y=6 3x-2y=4 .

Find the value of x, if 2+4+6+…+x=650.

Find the value of x if 2+4+6+...+x=650

(a) Find the value of x if 1 + 6 + 11 + ... + x = 189. (b) Find the value of x if 3 + 6 + 9 + ... + 96 = x.

Find the value of x if the area of triangle is 35 sq. units whose vertices are (x,4),(2,-6),(5,4).

Find the values of 'x' for which the rate of change of x^4/4+x^3/3-x is more than x^4/4

Find the value of the (-6)^(4)

Find the value of x , if x :6::5:3