Supplementary angles add up to 180 degrees, so look for two angles by each other that add up to 180 degrees.
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Answer:
1. x= -1/3
2. y= -4, x= 2
3. y=-2, x=1
Step-by-step explanation:
Step-by-step explanation:
6x-7
= 6×2-7
=12-7
=5
b) 3x
=3×2
=6
Answer:
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