If `(x-1)(x-3)(x-5)(x-7)=9`, find the value of x.

Find the value of x. 3x-5=7-x

if 3x-7=9, what is the value of 6x+5?

If {:((2,3),(5,7)), ((1,-3),(-2,4)),= ((-4,6),(-9,x)) , find the value of 'x'.

If 3 (5x-7) -4 (8x-13) =2 (9x-11)-17 , then the value of (7x-5)/(11x-9) is

If x=(1)/(2-sqrt(3)), find the value of x^(3)-2x^(2)-7x+5

(i) x+2y=-7 and 3x-2y=-1, then find the value of x. (ii) If x+y=8 and 4y-x=2, then find the value of y. (iii) If 3x+5y=9 and 5x+3y=7, then find the value of x+y. (iv) If 3x-y=11 and x-3y=17, then find the value of x-y.