Find the value of x :
x + 2 = 6

Find the value of x : 2(2x)^7 = 2^(6^2)

(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 : 7^x divide 7^2=7^6

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

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

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

Find the value of x if |2x+6|=-8

Find the value of x if 2x^(2)+6|x| +3=0

If x/y = 6/5 , find the value of ( x^2 + y^2 ) / ( x^2 - y^2 )

If x + 1/x = 6 , find the value of x^2 + 1/x^2