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Sagot :
Answer:
Number she thought = 5
Step-by-step explanation :
-The number sunayana took :- x
- The number after she trebled it :- 3x
So,
-3x - 7 = 8
= 3x = 7 + 8
= 3x = 15
= x = 15 / 3
= x = 5
Hope It helps :)
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