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MATH QUESTION PLEASE ASAP!!

MATH QUESTION PLEASE ASAP!!-example-1
MATH QUESTION PLEASE ASAP!!-example-1
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MATH QUESTION PLEASE ASAP!!-example-3
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User Ginessa
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20. 3rd one
21. one
22. step 2 : 9y - 24 = 10 + 3y
23. it has no solutions
24. n = 1

User Naghaveer R
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