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kaheart [24]
3 years ago
9

Solve for x (2×+43)

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

so you multiply 2x3 you get 6 and add 4 it is 10 but dont change the 3 let it stay it is 10/3

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Step-by-step explanation:

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The matrix equation is \left[\begin{array}{ccc}1&1&1\\1&-1/2&0\\0&2&-1\end{array}\right]=\left[\begin{array}{c}120&35&20\end{array}\right]

Step-by-step explanation:

* Lets change the story problem to equations

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- The distance from checkpoint 2 to the finish line is 20 miles less

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∴ \left[\begin{array}{ccc}1&1&1\\1&-1/2&0\\0&2&-1\end{array}\right]=\left[\begin{array}{c}120&35&20\end{array}\right]

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