Ответ:
1) 30a-17
2) 4(17y+12)
3) 235x+19
4) 139b-45
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Answers & Comments
2. 68y+48
3. 235x+19
4. 139b-45
Ответ:
1) 30a-17
2) 4(17y+12)
3) 235x+19
4) 139b-45