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Karolina [17]
3 years ago
8

Khan academy question multiple choice

Mathematics
1 answer:
Savatey [412]3 years ago
4 0

Answer:

<u>C</u>:  <em>3x + 80 + 2x = 180</em>

Step-by-step explanation:

A straight line is equal to 180 degrees total the find x, you would add the number within the line and make it equal to 180.

3x + 80 + 2x = 180

add like terms

5x + 80 = 180

subtract 80 from each side

5x = 100

divide each side by 5

x = 20

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<h3>How to determine the equivalent expression?</h3>

The statement is given as:

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Rewrite properly as:

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Expand the expression by multiplying the exponents

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