Solve the System $$\left\{ \begin{array} { r r } x + y + z = & 2 \\x - y - 2 z = & - 10 \\3 x + 3 y + 3 z = & 6\end{array} \right.$$

question 32

Multiple Choice

Solve the system. If there is no solution or if the system's equations are dependent, so state.
- $$\left\{ \begin{array} { r r } x + y + z = & 2 \\x - y - 2 z = & - 10 \\3 x + 3 y + 3 z = & 6\end{array} \right.$$

• A) infinitely many solutions; dependent equations
• B) \(\{ ( - 4,4,2 ) \}\)
• C) no solution or \(\varnothing\)
• D) \(\{ ( - 4,2,4 ) \}\)

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