2x+y-z=8
x^2-y^2+2z^2=14
3x^3+4y^3+z^3=195
See whether it helps to rewrite it like this
x+y + x-z = 8
z^2+x^2 + z^2-y^2 = 14
4(x^3+y^3) + z^3-x^3 = 195
find the value of x,yandz in the system equation
2x+y-z=8 x^2-y^2+2z^2=14 3x^3+4y^3+z^3=195
step please thanks
1 answer