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ahmadali89
20.08.2020 •
Mathematics
Pt 3 7/7 lasttt one helpppp
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Ответ:
2n+2
Step-by-step explanation:
-n + (-3) +3n + 5 -3
(-3+5) =2
-n +2+n+3n
3n-n = 2n
2n+2
Ответ: