The number of solutions to the system of equations `x_1+x_2+x_3+x_4+x_5=20` and `x_1+x_2=15` wher `x_k>=0`

How many integral solution are these to the system of equations x_1 + x_2 + x_3 + x_4 + x_5 = 20 and x_1 + x_2 = 15 when x_k ge 0 ?

The number of solutions of the equation |x-1|-|2x-5|=2x

The number of solutions of the equation |x-1|-|2x-5|=2x

The number of solutions of the equation |x-1|-|2x-5|=2x

How many integral solutions are there to the systems of equations x_(1)+x_(2)+x_(3)+x_(4)+x_(5)=20andx_(1)+x_(2)=15 where x_(k)ge0 .

The number of solutions of the equation : x_2-x_3=1 -x_1+2x_3=2 x_1-2x_2=3 is :

Total number of integral solutions of the system of equations x_(1)+x_(2)+x_(3)+x_(4)+x_(5)=20and x_(1)+x_(2)+x_(3)=5" when "x_(k)gel0,"is"

Total number of integral solutions of the system of equations x_(1)+x_(2)+x_(3)+x_(4)+x_(5)=20and x_(1)+x_(2)+x_(3)=5" when "x_(k)gel0,"is"

Number of solutions of the equation 4x^(2)e^(-x)-1=0