Verify That the Values of the Variables Listed Are Solutions $$\left\{ \begin{array} { c } x - y + 3 z = - 20 \\4 x + z = - 5 \\x + 2 y + z = 5 \\\end{array} \right.$$

question 39

Multiple Choice

Verify that the values of the variables listed are solutions of the system of equations.
- $$\left\{ \begin{array} { c } x - y + 3 z = - 20 \\4 x + z = - 5 \\x + 2 y + z = 5 \\\end{array} \right.$$

x = 0 , y = 5 , z = - 5

• A) solution
• B) not a solution

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