Erotically angles are opposite each other and equal the same degree.
In the image 5x and 120 are vertical angles so 5x needs to equal 120.
X = 120/5
X = 24
Answer:
B1: -9, -3, and 10
B2: 5
Step-by-step explanation:
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Solution
For this case we can do the following:


And then if we multiply we got: