if 3x-1=9 And 4y+2=62 , find y/x-x/y
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- 3x-1=9
- 3x=10
- x=10/3
- similarly y=15
- y/x-x/y=15/10/3-10/3/15=9/2-2/9
- take LCM 81-4/18=77/18
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