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White raven [17]
3 years ago
7

I need help with this question

Mathematics
2 answers:
Elan Coil [88]3 years ago
8 0

answer \\  = 133 \\ please \: see \: the \: attached \: picture \: for \: full \: solution \\ hope \: it \: helps

mariarad [96]3 years ago
6 0

Answer:

133

Step-by-step explanation:

Answer is 133

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Answer:

Multiply row 1 by \frac{1}{2}.

Step-by-step explanation:

The augmented matrix of the system of linear equation is described below:

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Where a_{11} = 2, if we need to create a_{11} = 1, we need to multiply row 1 by \frac{1}{2}, that is to say:

\left[\begin{array}{cccc}1&\frac{1}{2} &-\frac{1}{2} &-4\\0&2&3&-6\\-\frac{1}{2} &1&1&-4\end{array}\right]

Hence, the correct answer is: Multiply row 1 by \frac{1}{2}.

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Step-by-step explanation:

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