Respuesta:
Respuesta:
\begin{gathered}\left(6x+2y-3z\right)+\left(-4x+8y-z\right)\\\\=6x+2y-3z-4x+8y-z\\\\=6x-4x+2y+8y-3z-z\\\\=2x+2y+8y-3z-z\\\\=2x+10y-3z-z\\\\=2x+10y-4z\end{gathered}
(6x+2y−3z)+(−4x+8y−z)
=6x+2y−3z−4x+8y−z
=6x−4x+2y+8y−3z−z
=2x+2y+8y−3z−z
=2x+10y−3z−z
=2x+10y−4z
