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Delvig [45]
3 years ago
15

If DE=4x+10, EF=2x-1, and DF=9x-15, find DF. * Captionless Image

Mathematics
1 answer:
liq [111]3 years ago
6 0
Answer: 63

Hopefully the work makes sense but basically you will add equation DE and EF to get 6x+11 then use that equation with DF and solve for x which will get 26/3 then plug it into DF to get 63
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