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∠A=5x−18
∘
start color #11accd, angle, A, equals, 5, x, minus, 18, degrees, end color #11accd \qquad \green{\angle B=3x + 42^\circ}∠B=3x+42

A5x18 start color 11accd angle A equals 5 x minus 18 degrees end color 11accd qquad greenangle B3x 42circB3x42 class=

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ninjathan300

Answer:

A = 132 degrees

Step-by-step explanation:

Look at attachment:

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