2 years ago

Slove each system y=3x-4, y=x+2

Mathematics

2 answers:

Artemon [7]2 years ago

8 0

The answer is (x,y)=(-5,-3)

babunello [35]2 years ago

7 0

It should be x=3 and y=5

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The machines represent equivalent expressions.

The output produced by both machines is 372

The equation represented on machine A is:

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The equation represented on machine B is:

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Where: x and y represent the inputs and the outputs, respectively

When the outputs are the same, it means:

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So, we have:

$\mathbf{2(5x + 3) - 24 = 4(2(x + 11) - 7)}$

Open brackets

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Collect like terms

$\mathbf{10x - 8x = 18 + 60}$

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Divide both sides by 2

$\mathbf{x = 39 }$

Substitute 39 for x in $\mathbf{y = 2(5x + 3) - 24}$

$\mathbf{y = 2 \times (5 \times 39 + 3) - 24}$

$\mathbf{y = 372}$

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Read more about equivalent expressions at:

brainly.com/question/15715866

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