Respuesta :

SommarMarie

Answer:

The answer is X=6 ABC=30 CBD=30

absimmons20231

Answer:

x = 21

ABC = 105

CBD = 75

Step-by-step explanation:

3x + 12 + 5x = 180

8x + 12 = 180

8x = 168

x = 21

3(21) + 12 = 75

5(21) = 105

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