1. 5/y=2/3x +3
2. y= 7/1-4
3. y=2/5x8
4. y=-3/4 +1 I could be wrong but I think this is right
Step-by-step explanation:
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Hello,
The answer should be 15a^2 - 15
This picture should explain the steps.
Hope this helps!!
Brainliest?