Let the supplement angle be x.
Supplement angles add up to 180:
x + x - 20 = 180
2x - 20 = 180
2x = 200
x = 100
Angle = 100 - 20 = 80
Answer: The angle is 80°
Answer:
6x+3
=3(2x+1)
Step-by-step explanation:
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Step-by-step explanation: