# Math Help - Row reduction Help

1. ## Row reduction Help

Imageshack - linearalgebrahelpproble.jpg

I have two problems that I need help with can anyone help me with these two problems?

2. ## Re: Row reduction Help

Originally Posted by kashmoneyrecord
Imageshack - linearalgebrahelpproble.jpg

I have two problems that I need help with can anyone help me with these two problems?

For $3$, solve $x\begin{Bmatrix}0\\ 1\\ 2\\ 4\end{Bmatrix}+y\begin{Bmatrix}2\\ 0\\ -1\\ 1\end{Bmatrix}=\begin{Bmatrix}a\\ b\\ c\\ d\end{Bmatrix}$

For $4$, solve the system of equations:

$\left\{\begin{matrix}-x+0y+3z=0\\ 0x+y+z=1\\ -x+y+kz=k\end{matrix}\right$.