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Mathematics

2 answers:

Inga [223]2 years ago

7 0

Answer:

$\boxed{D. \: x = 5}$

Step-by-step explanation:

$= > 1 - 2x - 1 = - 10 \\ \\ = > 1 - 1 - 2x = - 10 \\ \\ = > 0 - 2x = - 10 \\ \\ = > \cancel{ - }2x = \cancel{ - }10 \\ \\ = > 2x = 10 \\ \\ = > x = \frac{10}{2} \\ \\ = > x = 5$

viktelen [127]2 years ago

5 0

Answer:

the answer is attached to the picture

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<h3>What is proportional relationship?</h3>

mathematical expressions are said to be proportional if there unit rate are equal. this means that the expressions will give similar results when similar values are substituted into the equation.

<u>solution:</u>

Driving 7 hrs within 385 miles represents a unit rate of 385 / 7 = 55 miles per hour or 55 mph

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Read more on proportional relationship here: brainly.com/question/12242745

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