Respuesta :

Answer:

X = 15

Step-by-step explanation:

Since these lines are parallel, this means that Angle 2 is equal to angles 5 and 3.

Since it is equal to 3, this means angle 2 + angle 4 = 180

2x+10+4x+80=180

6x+90=180

6x=90

x=15

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