Respuesta :

Answer:

Since all triangle angles add up to 180°, you can set all the angles equal to 180.

(96 + 2x + (x + 12)) = 180

You can now simplify it together

108 + 3x = 180

Now you can isolate x by itself

180 - 108 = 72

72 / 3 = 24

x = 24

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