osobitosť Opotrebenie Pohni sa gaussian elimination calculator večierok žralok roughneck
SOLVED:Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. Use a graphing calculator to check your answer. -w+2 x-3 y+z =-8 -w+x+y-z =-4 w+x+y+z =22 -w+x-y-z =-14