Respuesta :

echasteen05

Answer:

x=15

Step-by-step explanation:

angle 2 and angle 4 are same side interior angles. same side interior angles are supplementary angles or angles that add up to 180°

2x+10+4x+80=180

6x+90=180

-90 -90

6x=90

6x/6=90/6

x=15

hopefully this helps :)

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