2 years ago

. What is the solution to the equation –3.5(x + 12) = –2x + 18?

Mathematics

1 answer:

kotegsom [21]2 years ago

4 0

Answer:

x=-4.36

Step-by-step explanation:

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Step-by-step explanation:

$\frac{zinc}{copper} = \frac{3}{17} \\ \\ \frac{zinc}{799} = \frac{3}{17}$

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$zinc = \frac{3}{17} \times 799 \\ \\ zinc = \frac{3}{17} \times 17 \times 47 \\ \\ zinc = 3 \times 47 = 141$

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3 years ago

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Answer:

Step-by-step explanation:

The coefficient of x is simply a number. The x gives it it's meaning. So if the coefficient of x changed from 2 to 6 that would mean there would 6 x's being added to five, not 2.

For example if x=2.

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it would be 5 + 6*2

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The difference between the answers is 4x, as there are an additional 4x's.

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