Find the value of x if `6 = 3(x-4)`

Find the value of x if 6:9=x:6

Find the value of x if |(-1,2,4),(3,0,x),(7,6,4)| = 0

Find the value of x , 2:3 = 4 : x

Find the value of a if (x -a) is a factor of the polynomial x^(6)-ax^(5)+x^(4)-ax^(3)+3x-a+2

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

(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 3+x/4=5

find the value of x if 4^4 . 4^5 = (4^3)^x

If 4^(x)=256, then find the value of 6^(2x-8)