
<h2>
Explanation:</h2>
in this problem we have the following expression:

So here:

Let's convert them as improper fractions:

Rewriting our expression:

<h2>Learn more:</h2>
Simplify: brainly.com/question/10644722
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3x + 7y = 14
Subtract 3x from both sides
7y = -3x + 14
Slope is equal to -3.
Answer: r=8
Step-by-step explanation:
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Answer:
21
Step-by-step explanation: