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3 years ago

I need your help please I don’t understand this

Mathematics

2 answers:

hammer [34]3 years ago

6 0

You would replace “4” for the letter “y” so it would be 5x+7(4)=4. Then you would do 7(4) which is 28. and then you would have 5x+28=4. I hope this helps !

Step2247 [10]3 years ago

3 0

The answer is y = -5/7x + 4/7! The first step is to subtract the 5x so it’s on the other side of the equal sign. So now the equation is 7y = -5x + 4. Then divide each of them for 7

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a) Matrix B = $\left[\begin{array}{c}5\\7\\9\end{array}\right]$

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Step-by-step explanation:

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