Respuesta :

Answer:

B.4  12x-8 would be 12x_-8=40   this is because 12x-8 is congruent to the 40 degree angle. so what -8 is 40?  48   12x_=48   x=4   12x4=48  48-8 is 40

plz let me know if i am wrong mark brainliest if right

Step-by-step explanation:

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