Tell whether the angles are vertical or adjacent and solve for x. Solve 11 and 12 for 20 points and brainest.
1 answer:
Answer:
11) x = 45
12) x = 30
Step-by-step explanation:
11)
3x + x = 180
4x = 180
x = 45
12)
4x = 5x - 30
4x - 5x = -30
-x = -30
x = 30
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