Write the augmented matrix as a system of equations [2310250013300114100]\displaystyle {\left[\begin{array}{cccc} -{2}&{3}&-{10}&{250}\\{0}&{1}&-{3}&{300}\\-{1}&{1}&-{4}&{100}\end{array}\right]}

x\displaystyle {x} + y\displaystyle {y} + z=\displaystyle {z}=

x\displaystyle {x} + y\displaystyle {y} + z=\displaystyle {z}=

x\displaystyle {x} + y\displaystyle {y} + z=\displaystyle {z}=