dmor9202 dmor9202

13-05-2020
Mathematics

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Khan academy question multiple choice

Khan academy question multiple choice class=

Respuesta :

asba0496 asba0496

13-05-2020

Answer:

C: 3x + 80 + 2x = 180

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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