Question

solve using cramers rule please show work
x-2y=14
y+2z=11
2x+z=16

Answer 1

why cramer's lol that rule is so complicated when it is so simple

Answer 2

I know but I have to learn it

Answer 3

Okay, can you make the matrix and find the determinant?

Answer 4

no only cramers

Answer 5

\[\left[\begin{matrix}1 & -2 & 0 \\ 0 & 1 & 2 \\2 & 0 & 1\end{matrix}\right]\left[\begin{matrix}x \\ y \\z\end{matrix}\right]= \left[\begin{matrix}14 \\ 11 \\16\end{matrix}\right]\]

do the process and you will ger
x = 4
y = -5
z = 8

Answer 6

thank you so much may you help me with one more please?