Answer:
x = 5
Step-by-step explanation:
m angle A = 5x + 5 = m angle L = 3x + 15
5x + 5 = 3x + 15
5x - 3x = 15 - 5
2x = 10
m angle A = 5(5) + 5 = 25 + 5 = 30
m angle L = 3(5) + 15 = 15 + 15 = 30
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