Mathematics, 14.09.2019 10:30 justinxvengance7249
use the row operations tool to solve the following system of equations, obtaining the solutions in fraction form.
12x + 2y + z = 4
3x + 3y - 4z = 5
2x - 2y + 4z = 1
give the values for x, y, and z with the fractions reduced to lowest terms (for example 4/7 rather than 8/14).
x =
y =
z =
Answers: 1
![\left[\begin{array}{cccc}12&2&1&4\\3&3&-4&5\\2&-2&4&1\end{array}\right]](/tpl/images/0231/2965/f7109.png)
![\left[\begin{array}{cccc}12&2&1&4\\0&10&-17&16\\2&-2&4&1\end{array}\right]](/tpl/images/0231/2965/72324.png)
![\left[\begin{array}{cccc}12&2&1&4\\0&10&-17&16\\0&-14&23&2\end{array}\right]](/tpl/images/0231/2965/f5b87.png)
times the second row to the third row:![\left[\begin{array}{cccc}12&2&1&4\\0&10&-17&16\\0&0&\frac{-4}{5}&\frac{122}{5}\end{array}\right]](/tpl/images/0231/2965/7ec7d.png)
to obtain
wich implies that
.
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use the row operations tool to solve the following system of equations, obtaining the solutions in f...
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