Respuesta :

Answer:

x = 20

Step-by-step explanation:

The marked angles are vertical angles and congruent, thus

6x - 10 = 3x + 50 ( subtract 3x from both sides )

3x - 10 = 50 ( add 10 to both sides )

3x = 60 ( divide both sides by 3 )

x = 20

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➷ Vertically opposite angles are equal:

3x + 50 = 6x - 10

Subtract 3x from both sides:

50 = 3x - 10

Add 10 to both sides:

3x = 60

Divide both sides by 3:

x = 20

✽

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