Solve the System of Equations Using the Addition Method $$\begin{array} { l } - 0.2 x + 0.3 y - 0.3 z = - 2.8 \\0.4 x - 0.1 y + 0.2 z = 2 \\- 0.2 x - 0.4 y + 0.4 z = 2.8\end{array}$$

question 85

Multiple Choice

Solve the system of equations using the addition method.
- $$\begin{array} { l } - 0.2 x + 0.3 y - 0.3 z = - 2.8 \\0.4 x - 0.1 y + 0.2 z = 2 \\- 0.2 x - 0.4 y + 0.4 z = 2.8\end{array}$$

• A)(2, -4, 4)
• B)(-0.6, 8, 5)
• C)(-0.6, 10, 4)
• D)(-0.4, 10, 5)

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