Find the set of all solutions of the equation (1997 C, 3M) `2^(|y|)-|2^(y-1)-1|=2^(y-1)+1`

Find the set of all solutions of the equation 2^(|y|)-|2^(y-1)-1|=2^(y-1)+1

Find the sum of all the real solution (s) to the equation (x+y)^(2)=(x+1)(y-1).

Find the solution of the pair of equations: x-y+1=0, 3x+2y-12=0

The number of integral solution of the equation 7(y+(1)/(y))-2(y^(2)+(1)/(y_(2)))=9

Find the value of k, if x=2,y=1 is a solution of the equations 2x+3y=k

Find the value of k,if x=-1 & y=1 is a solution of equation kx -2y =0

Find the solution of the pair of equations : (3)/(x) + (8)/(y) = -1 , (1)/(x) - (2)/(y) = 2 , x ,y ne 0

Find the number of positive integral solutions satisfying the equation (x_(1)+x_(2)+x_(3))(y_(1)+y_(2))=77