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Anastaziya [24]
3 years ago
5

3(f+2)+9=13+f+4f find f

Social Studies
1 answer:
Kobotan [32]3 years ago
7 0

F=1

3(f+2)+9=13+f+4f

3f+6+9=13+5f

3f+15=13+5f

3f-3f+15=13+5f-3f

15=13+2f

15-13=13-13+2f

2=2f

F=1

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