5.Find the value of `x` if `2^3+2^x=2^4`

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

Find the value of : 2x^(2)-3x+4 where x=2

Find the value of x - (2-3x)/4+(3-2x)/5=2-x

(i) If 2x + 1 is a factor of 2x^2+ ax- 3, find the value of a. (ii) Find the value of k, if 3x -4 is a factor of expression 3x^2+ 2x -k.

If 2x+3y=8 and x y=2 , find the value of 4x^2+9y^2

Find the value of x if (-2/3)^4 div (-2/3)^3=(-3/2)^x

If 3x+2y=12 and x y=6, find the value of 9x^2+4y^2

A function is defined as f(x)=x^2-3xdot Find the value of f(2)dot Find the value of x for which f(x)=4.

Find the values of x , if |[3x,7], [2, 4]|=10

If x=(sqrt(3)+1)/2, find the value of 4x^3+2x^2-8x+7.