10vestreet
10vestreet
06-02-2021
Mathematics
contestada
please find the m∠DEF
Respuesta :
bloopersmiles
bloopersmiles
06-02-2021
Answer:
m∠DEF=29
Step-by-step explanation:
4y-7=2y+11
4y=2y+18
2y+18
y=9
2(9)+11= 29
4(9)-7=29
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